Panorama of Undergraduate Research in Brazil: Proﬁle, Scientiﬁc Production, and Perceptions

: Undergraduate Research (UR) is an institutional program that introduces undergraduate students to scientiﬁc research. The program selects research projects proposed by advisors and students for execution. Despite the importance of knowing the stages of research activities in undergraduate research, only a few studies have evaluated data on this subject. Therefore, this study aims to outline an overview of UR in a Brazilian educational institution, considering the proﬁles of students and advisors, students’ scientiﬁc productions, and perceptions about the experience of both. The study was a mixed-approach case study conducted through a questionnaire and interviews. The sample consisted of 213 undergraduate students and 167 UR supervisors. The results show that the largest group of students were aged 21 and 22 (46.6%) and supervisors 33 to 38 years (38.9%). Regarding the scientiﬁc productions of students, those who participated twice or more in undergraduate research had higher indicators compared to those who were participating for the ﬁrst time. Students’ perceptions of their evolution and perceptions of the advisors were mostly positive, with a greater number of responses classiﬁed as very good to good. Thus, the satisfaction of researchers in being part of this experience was perceived and the need to improve the scientiﬁc production indicators of students, mediated by the advisors stimulating the writing of articles, abstracts, and books, as well as participation in events and patent development, was shown. We conclude that undergraduate research activities promote the integral development of students’ academic, scientiﬁc, personal, and professional terms, which ultimately reﬂect critical and emancipatory actions in society.


Introduction
In Brazil, Undergraduate Research (UR) is an institutional research program whose main purpose is to involve students during the school period in scientific and technological research; thus, it aims to train qualified human resources [1]. Scientific research consists of rigorous activities conducted through the interaction between methods, theories, and discoveries. This type of research requires the possibility of testing, thus allowing scientific knowledge to be built, reconstructed, and contested by other studies [2].
Encouraging young people to understand and act on scientific research is essential for a nation to progress towards reducing scientific and technological dependence on other sample, or used a mixed-methods approach to investigate UR context. In this perspective, studies that evaluate both students and advisors are needed to obtain a broader view of research programs and their participants. Thus, it is possible to know how the critical and active actions, as well as the different sets of knowledge, such as the formative experience and skillful actions by UR, are formed. Therefore, to draw a panorama of UR in a Brazilian educational institution, the present study aimed to analyze the profile of students and their advisors, and their perceptions about the UR experience. Moreover, this study also aimed to evaluate the students' scientific production.
The relevance of our study is to obtain a broader view of research programs and their participants. In this regard, we chose to use a mixed-methods case study approach, which will assess the scientific production indicators of the students and their advisors, in addition to giving voice to the participants in this experience.

Method
This research is characterized by a mixed-approach case study [28], which is part of an umbrella study named "Panorama of Undergraduate Research in Brazil" (PUR-Bra study). A case study can be defined as the study of certain individuals, professions, conditions, institutions, groups, or communities to obtain generalizations based on the cases [28,29]. The particular case of this study refers to the Federal Institute of Education, Science and Technology Goiano (Instituto Federal de Educação, Ciência e Tecnologia Goiano-IF Goiano).
The mixed approach can be defined as research that associates quantitative and qualitative evidence to corroborate results [28]. Both approaches have their potential and limitations, and it is advisable to integrate them to explore a field in such a way that other approaches would not allow [29].

Context
The study was carried out at the IF Goiano, a Brazilian public educational institution located in Goiás State. Figure 1 highlights that IF Goiano is located in the central region of the country, both in the central region and the interior of the state. The institution has twelve campuses in different cities, in which, courses are offered from high school to doctorate programs. IF Goiano is part of the Federal Network of Professional, Scientific and Technological Education linked to the Ministry of Education and is present in all Brazilian states, including the Federal District. This contextualization is important, especially with regard to the location of the campuses, which are located in the interior of the state. The IF Goiano was established in 2008, from the extinct Federal Agrotechnical Schools. Afterwards, new units were created and the offer of courses was diversified, however, for the most part, the agricultural vocation remains consolidated.
In order to fulfill its institutional mission, the following undergraduate courses were This contextualization is important, especially with regard to the location of the campuses, which are located in the interior of the state. The IF Goiano was established in 2008, from the extinct Federal Agrotechnical Schools. Afterwards, new units were created and the offer of courses was diversified, however, for the most part, the agricultural vocation remains consolidated.
In order to fulfill its institutional mission, the following undergraduate courses were offered by IF Goiano in 2019, covering a total of 7,890 enrolled students: 13 technology graduation, 18 degrees, and 32 bachelors' [30]. In relation to strict sense postgraduate courses, the following were offered (657 enrolled students): 11 master's degrees and one doctorate [30]. In addition to these, some broad sense specializations (780 enrolled students) and several mid-level technical courses were offered (8677 enrolled students).

Population and Sample
The target population of this study consisted of undergraduate students, professors, and technicians who guided UR projects linked to the IF Goiano evaluated from 2018 to 2019. The study population consisted of 592 students and 307 advisors, who were invited to participate in the research through an e-mail sent by the researchers.
The sample was selected for convenience, where the subjects who agreed to participate voluntarily signed an Informed Consent Form (ICF) whose ethical precepts were followed according to the Brazilian legislation. The research design was submitted and approved by the IF Goiano Research Ethics Committee (Comitê de Ética em Pesquisa-CEP-protocol no. 08499119.9.0000.0036). The sample consisted of 213 students and 167 advisors in the quantitative phase and six students and six advisors in the qualitative phase.
We took as a base the official model adopted by the Brazilian Institute of Geography and Statistics (Instituto Brasileiro de Geografia e Estatística-IBGE) to classify the participants of this research in relation to their ethnic origins (which classifies the Brazilian population based on skin color): white (branco), black (preto), East Asian (amarelo), indigenous (indígena), or mixed (pardo), as a routine [31,32]. The term pardo is used in Brazil to refer to people of mixed ethnic ancestries, but it is complex [31] and pejorative in some contexts. To claify this issue, we have chosen to use well recognized terms in the literature: Afrodescendants referring to black skin, Caucasian-descendants referring to white skin, East Asian descendants referring as yellow skin, indigenous referring to Brazilians' indigenous, and mixed ethnicity (i.e., African ancestry mixed with other ethnicities) referring to the official IBGE term called pardo.

Data Collection Procedures
We used three data collection procedures: questionnaire (see Appendices A and B), interviews (see Appendices C and D), and document analysis.
The questionnaire was administered through the electronic tool Google Forms and sent by e-mail to all students and advisors from 2018 to 2019. The subjects covered in both questionnaires, which were available for responses from October to December 2019, referred to the contributions of the research experience to the student, on the relationship with the advisor, on institutional support, and on the level of satisfaction in relation to the program that was linked. Subsequently, the data were tabulated in a Microsoft Excel ™ spreadsheet and inserted into statistical software for analysis.
The second stage of data collection, which occurred between October and November of 2019, was semi-structured individual interviews with some of the students and advisors, guided by a question script. The selection of respondents was randomly stratified so that the sample represented the population. The interviews were audio-recorded and anonymized using a code; the participant's identification was by means of letters: "S" for student and "A" for advisor.
The third procedure was documentary analysis by evaluating the Lattes Curriculum (history of scientific and academic Brazilian researchers) of the students who answered the questionnaire. We established two groups of students for comparison: those who Publications 2023, 11, 30 5 of 24 participated in the research program for the first time and those who were participating for the second time or more. Information on the production of scientific articles, scientific articles published in English, simple abstracts, expanded abstracts, books/chapters, and patent registration were extracted, considering their entire academic production, without time restrictions.

Validation of Research Instruments
After defining the research instruments, we checked their validity by administering a pre-test to a part of the population. Administering a pre-test on a small population with similar characteristics before administering the final version of the questionnaire is highly recommended [33,34].
Students and advisors voluntarily participated in the content validation of the questionnaire and interviews. Thirty-eight evaluators participated in the content analysis, answered the research questions, and made their evaluations. The included items were [27]: (a) organization, (b) objectivity, (c) clarity, (d) ease of reading, and (e) understanding of the content. The questions were analyzed according to the Content Validity Index (CVI), which measures the proportion of evaluators who agreed on a certain aspect of the instrument and its items [34]. Each evaluator analyzed the relevance level of each question by choosing one of the following options from a 5-point Likert scale [35,36]: "very good" (5 points), "good" (4 points), "fair" (3 points), "weak" (2 points), and "very weak" (1 point). The index score was calculated for each question assessed, considering the total number of evaluators that agreed on the items choosing options "5" or "4" divided by the total number of responses [27,34,37]. All questions had a CVI value of ≥75%, which allowed us to keep the questions as they were initially elaborated [33]. After applying the instruments, we proceeded to the analysis data.

Statistical Analysis
The data were analyzed using descriptive and inferential statistics, by the software Statistical Package for the Social Sciences (IBM ™ SPSS ™ Statistics), version 26 for Microsoft Windows ™ . Absolute numbers and percentages were used for the descriptive analysis of the data. The chi-square (p) value was calculated [38,39]. To avoid statistical power loss, the last three answer options for each question were grouped and classified as "very good", "good", and "fair/weak/very weak" options (see Appendix A: questions 9-25, and Appendix B: questions 9-25). For example, the responses for the last three options (i.e., "indifferent", "partially disagree", and "totally disagree") related to question 10 were grouped and, in the analysis, this group of answers was compared with the recorded for the options "totally agree" and "partially agree" of the same question. If we did not proceed in this way, the frequencies of each of the three response options would be lower, which would compromise data analysis.
The mean and standard deviation were used in the students' scientific production, and the normality of the data was assessed using the Kolmogorov-Smirnov test [40,41]. Given the non-normal distribution observed, we used a non-parametric test, the Mann-Whitney U-test, to assess whether there was a statistically significant difference (p < 0.05) [40,42].

Content Analysis
Content Analysis (CA) is defined as a set of communication analysis techniques that uses systematic procedures and objectives to describe the content of messages [43]. Therefore, the CA technique was used to interpret the qualitative data obtained by interviews. Following the guidelines, the interviews were audio-recorded for later literal transcription, reading, categorization, and analysis of students' and supervisors' discourses [44].
Thus, thematic axes were identified based on the interviewees' discourses, and categories and subcategories were subsequently created to achieve the study's objective [43]; that is, the categories and subcategories were defined according to the perceptions of students and advisors about the research programs.

Results
For a better analysis, the results of this study were analyzed separately in the next two subsections, in terms of quantitative and qualitative data.

Quantitative Measures
Most of the students who answered the questionnaire were female (n = 115; 54.0%), and most of the advisors were male (n = 96; 57.5%), as shown in Tables 1 and 2, respectively. The most prevalent knowledge field among students was Agrarian Sciences (n = 132; 62.0%). This was also true for advisors (n = 87; 52.1%). Data related to color/ethnicity show a higher number of mixed students (59.2%, Table 1) in the research programs in this period. On the other hand, most supervisors who work at the IF Goiano are white (57.5%, Table 2), and this indicates that, despite the insertion opportunities, there are still barriers for the less favored categories to establish themselves in the academy as supervisors, such as mixed (31.1%, Table 2). We analyzed the impact of research on the scientific production of students who participated in a UR cycle and those who had already participated in two or more cycles (Table 3). We found that participation in research programs for more than one term is associated (p < 0.001) with a higher average production of scientific articles, scientific articles in English, expanded abstracts, and simple abstracts. Note: The 'n' column represent the absolute frequency, while the '%' column represent the relative frequency. Table 3. Scientific production considering whether the students participated one or more times in the research programs. The students' perceptions were compared with the advisors' perceptions of students, advisors, institutions, and programs ( Table 4). The items with the highest agreement between the two were those about the importance of research during undergraduate studies (89.2%), knowledge aggregation (88.9%), and the learning of research methods and techniques (84.5%). The item with the lowest agreement was regarding interaction with foreign languages during to research activities (i.e., reading, interpretation, and writing in foreign languages), with most of the respondents partially agreeing with it (37.9%).      Note: The 'n' columns represent the absolute frequency, while the '%' columns represent the relative frequency. Mann-Whitney U-test (α = 0.05): each letter is used to represent a variable. To avoid statistical power loss, the last three answer options for each question were grouped and classified as "very good", "good", and "fair/weak/very weak" options (see Appendix A: questions 9-25, and Appendix B: questions 9-25).

Variables
The results indicated (p < 0.001) different perceptions of students and advisors on (a) student evolution, the (k) stimulus to present papers orally, the (l) relationship between student and advisor, (o) contact with foreign languages, and (q) level of satisfaction. Differ-ences were observed (p = 0.002) for stimulation of (f) creativity, (h) personal organization to carry out the activities on time, and (j) interest in scientific writing. The results also suggest distinctions between these two groups for the following variables: (m) best performance in graduate studies (p = 0.012), (g) student responsibility (p = 0.013), and (p) institutional support for research activities (p = 0.036).

Qualitative Measures
After analyzing the interviews, the results were grouped into thematic axes by categories. The axes for students include the "Importance of research programs" (Figure 2), "Project execution" (Figure 3), "Difference from other students" (i.e., who did not have UR experience) (Figure 4), and the "Association between research programs and professional activities" (Figure 5). The results indicated (p < 0.001) different perceptions of students and advisors on (a) student evolution, the (k) stimulus to present papers orally, the (l) relationship between student and advisor, (o) contact with foreign languages, and (q) level of satisfaction. Differences were observed (p = 0.002) for stimulation of (f) creativity, (h) personal organization to carry out the activities on time, and (j) interest in scientific writing. The results also suggest distinctions between these two groups for the following variables: (m) best performance in graduate studies (p = 0.012), (g) student responsibility (p = 0.013), and (p) institutional support for research activities (p = 0.036).

Qualitative Measures
After analyzing the interviews, the results were grouped into thematic axes by categories. The axes for students include the "Importance of research programs" (Figure 2), "Project execution" (Figure 3), "Difference from other students" (i.e., who did not have UR experience) (Figure 4), and the "Association between research programs and professional activities" (Figure 5).  The items addressing the importance of research programs included multiple dimensions of students' professional, personal, academic, and scientific lives; therefore, each thematic axis was categorized and subcategorized. Among the various aspects identified by the interviews, in the professional life category, interviewee S1 talked about the impact of scientific research experience during undergraduate studies and beyond.   The items addressing the importance of research programs included multiple dimensions of students' professional, personal, academic, and scientific lives; therefore, each thematic axis was categorized and subcategorized. Among the various aspects identified by the interviews, in the professional life category, interviewee S1 talked about the impact of scientific research experience during undergraduate studies and beyond.
It is like... you get even more organized because we work at a professional level right there. You must organize your own schedule, define the approach for their experiments, be available, be punctual, arrive on time, and then you start to interact with people more frequently, both professionally and even socially, you know, making friends. Thus, [scientific research] is an advantage not only in the professional, but also in the social life (S1).    The items addressing the importance of research programs included multiple dimensions of students' professional, personal, academic, and scientific lives; therefore, each thematic axis was categorized and subcategorized. Among the various aspects identified by the interviews, in the professional life category, interviewee S1 talked about the impact of scientific research experience during undergraduate studies and beyond.
It is like... you get even more organized because we work at a professional level right there. You must organize your own schedule, define the approach for their experiments, be available, be punctual, arrive on time, and then you start to interact with people more frequently, both professionally and even socially, you know, making friends. Thus, [scientific research] is an advantage not only in the professional, but also in the social life (S1).   The items addressing the importance of research programs included multiple dimensions of students' professional, personal, academic, and scientific lives; therefore, each thematic axis was categorized and subcategorized. Among the various aspects identified by the interviews, in the professional life category, interviewee S1 talked about the impact of scientific research experience during undergraduate studies and beyond.
It is like... you get even more organized because we work at a professional level right there. You must organize your own schedule, define the approach for their experiments, be available, be punctual, arrive on time, and then you start to interact with people more frequently, both professionally and even socially, you know, making friends. Thus, [scientific research] is an advantage not only in the professional, but also in the social life (S1). It is like . . . you get even more organized because we work at a professional level right there. You must organize your own schedule, define the approach for their experiments, be available, be punctual, arrive on time, and then you start to interact with people more frequently, both professionally and even socially, you know, making friends. Thus, [scientific research] is an advantage not only in the professional, but also in the social life. (S1) Interviewee S4 indicated several benefits of scientific research in the personal life category. His discourse shows how the experience of scientific research can transform and serve as a foundation for the future.
My experience with PIBIC was something that completely changed me as a person. Being part of a program like undergraduate research simply changed my whole outlook, my career, my professional and academic perspective in every way during graduate studies because it helped me to have a vision that I did not have before. Even the disciplines made me grow a lot and enable me to learn, meet people, visit places, which was incredible for me. (S4) Continuing this thematic axis, the students reported that their experience in research programs prepares an individual for life. They also stated that it increased their likelihood of continuing their studies, possibly pursuing a master's degree and doctorate. Moreover, they learned how to identify the best methods, perform analyses, interpret results, and solve problems.
We found both facilities and difficulties in the thematic axis "project execution". As for facilities, we can conclude that those students who participated in scientific research more than once obtained knowledge from analyses already performed and had better performance in presentations, writing, and reading. The discourses revealed that students participating for the first time experienced considerable difficulty in facilities. The main challenges reported were the initial lack of experience among students who had recently joined the undergraduate program in dealing with scientific research and the separation of theory and practice.
Although there are difficulties, S4, in the thematic axis "difference from other students" (i.e., who did not have UR experience), refers to research as an educational principle.
I think that only the classroom can bring knowledge, but not in the same practical and experiential way enabled by research. When conducting research, you are the subject of learning, constructing your own knowledge with the help of a person who is there to help you along the way; you have great autonomy to grow differently. You are the one producing that, you are building that knowledge and building it with other people, with other researchers. (S4) Qualities found in the academic environment that can be transferred to work were also identified in the thematic axis "association between research programs and professional activities", including being punctual, establishing a schedule, and putting techniques learned during undergraduate studies into practice.
[ . . . ] I think I will be able to work in the development of new products and the area of food analysis when I graduate. [ . . . ]. So, we already have . . . at least a little bit, we are not going to the market 100% prepared, but we have a good notion, I think, so we can go there and say 'ah! I made it!' We learn a lot more by practicing than simply reading in the classroom. There, we are getting our hands dirty, so we learn a lot more. (S6) The following thematic axis was assigned to the advisors: students' perceptions ( Figure 6). The advisors reported both personal, academic, and scientific aspects when describing their profiles.
[ . . . ] The most similar aspect among them is that they have a close relationship with a professor. So, they like that professor more than the others and look for that professor to develop a project. Alternatively, a professor perceives that a student stands out in a specific area due to their empathy, responsibility, dedication, or grade and invites them to participate in the project. (A3) I believe that the profile of a student of undergraduate research is already defined even before they join the research program; they are characterized by being objective and knowing what they want, and being concerned even with their future. They are not only concerned with their current activities within the institution as a student, but also with what they will become in the future, so these students have a scientific profile that is aligned to the objectivity required by research.

Discussion
The findings of this study indicate the following: for a predominance of young researchers, either in relation to the students' or advisors' groups, mostly in Agrarian Sciences; two or more cycles in research programs can improve students' scientific production indicators, if the student is well guided by his advisor; and both students and advisors consider the research experience positive. The two also agree on the importance of the experience, learning, and questions on the future of the students who undergo this experience.
According to the findings of our study, most Brazilian supervisors working in research programs were between 33 and 38 years old. Therefore, we can deduce that they are still young supervisors and that they have some experience acquired in scientific research. Although they still have a lot to learn from practical experience, because they are young, they have the vitality to deal with more complex research that demands a lot of dedication.
A previous study investigated the profiles of undergraduate students in an undergraduate course and found that students, mostly female, joined research projects before 25 years of age [45]. Our study corroborates, in part, with the data obtained by this study. Our findings indicate that 88.3% of the participants were aged between 19 and 24 years. However, we did not identify a significant sex predominance in relation to the group of students or in relation to the students' or advisors' groups. In this perspective, it emphasizes that a balanced representation of genders is necessary to break paradigms [46] and influence equity, social justice, talent, socioeconomic development, and competitiveness [47].
The panel of institutional programs for scientific and technological initiation of CNPq, updated until July 2017, includes data from all states in Brazil, including the Distrito Federal. The data from this panel show that the field of knowledge was Agrarian Sciences, this field appears between the first and third place in some research programs [48]. In our findings, however, this area of research was the most prevalent, due to the origin and predominant agricultural vocation of the campuses of the IF Goiano. From this perspective, our data confirm the results of a previous study that found Agricultural Sciences (36.1%) was the most researched area among research projects funded by PIBIC [49].
Writing a scientific text is not an easy task and involves a series of skills, requiring mastery of language and technical-scientific knowledge, in addition to knowledge of various techniques [50]. Although the scientific production of some students was greater than others without experience in UR, the positive impact of participating in UR in relation to this production is perceptible. The average number of articles, abstracts, books, chapters, or patents produced by students who participated for the first time did not reach one. Undergraduate students can increase their scientific production more signifi-

Discussion
The findings of this study indicate the following: for a predominance of young researchers, either in relation to the students' or advisors' groups, mostly in Agrarian Sciences; two or more cycles in research programs can improve students' scientific production indicators, if the student is well guided by his advisor; and both students and advisors consider the research experience positive. The two also agree on the importance of the experience, learning, and questions on the future of the students who undergo this experience.
According to the findings of our study, most Brazilian supervisors working in research programs were between 33 and 38 years old. Therefore, we can deduce that they are still young supervisors and that they have some experience acquired in scientific research. Although they still have a lot to learn from practical experience, because they are young, they have the vitality to deal with more complex research that demands a lot of dedication.
A previous study investigated the profiles of undergraduate students in an undergraduate course and found that students, mostly female, joined research projects before 25 years of age [45]. Our study corroborates, in part, with the data obtained by this study. Our findings indicate that 88.3% of the participants were aged between 19 and 24 years. However, we did not identify a significant sex predominance in relation to the group of students or in relation to the students' or advisors' groups. In this perspective, it emphasizes that a balanced representation of genders is necessary to break paradigms [46] and influence equity, social justice, talent, socioeconomic development, and competitiveness [47].
The panel of institutional programs for scientific and technological initiation of CNPq, updated until July 2017, includes data from all states in Brazil, including the Distrito Federal. The data from this panel show that the field of knowledge was Agrarian Sciences, this field appears between the first and third place in some research programs [48]. In our findings, however, this area of research was the most prevalent, due to the origin and predominant agricultural vocation of the campuses of the IF Goiano. From this perspective, our data confirm the results of a previous study that found Agricultural Sciences (36.1%) was the most researched area among research projects funded by PIBIC [49].
Writing a scientific text is not an easy task and involves a series of skills, requiring mastery of language and technical-scientific knowledge, in addition to knowledge of various techniques [50]. Although the scientific production of some students was greater than others without experience in UR, the positive impact of participating in UR in relation to this production is perceptible. The average number of articles, abstracts, books, chapters, or patents produced by students who participated for the first time did not reach one. Undergraduate students can increase their scientific production more significantly after one year [51]. At first, they are usually concerned with the conduct of the experiment, and later, with the investigation, techniques, data collection, interpretation, and new research questions [52]. From this perspective, students who participated in the research program multiple times had significantly higher scientific production (scientific articles, scientific articles in English, expanded abstracts, and simple abstracts) than those who participated only once (p < 0.001). On the other hand, if we compare all the productions of students who participated in one cycle with those who engaged in two or more cycles, the average increased more than five times, that is, it went from 2.10 to 11.38 productions per student.
A study with first-year biology students at the University of Western Australia included a research-based experiment, in which students described their scientific results, reviewed their peers' articles, and some were published. This study found that student involvement in the topic under investigation increased significantly after data collection and analysis [53]. Writing the results and presenting the work are essential activities for students who act as researchers. These activities are stimulated through internal events, external events, and financial support to publish scientific articles in international publications.
Regarding contact with foreign languages in academic contexts (i.e., reading, interpretation, and writing scientific texts in foreign languages), when asked whether scientific research activities instigated the student's contact with foreign languages, there was a significant difference between the responses of students and supervisors. Students marked this question as indifferent, partially agree, or totally disagree more (increment of 18.3%) than did the advisors, revealing a gap between scientific progress and the internationalization of Brazilian science. Furthermore, the scientific production of articles written in English averaged 0.03 for students who were experiencing UR for the first time and 0.52 for students who participated two or more times. In this regard, a recent study on disadvantages in the preparation and publication of scientific articles due to the mastery of the English language in science mentioned the case of Colombian researchers in the field of Biological Sciences [54]. This country has one of the lowest levels of English proficiency in the world, making it difficult to publish articles and read and write texts in English [54]. It is undeniable that practical activities can help students better understand scientific writing. From this perspective, another study on this subject conducted with UR students revealed that one of the initial barriers to publication is knowing each section of the article; based on this assumption, meetings were held to discuss and practice in groups to promote an understanding of the topic, and the activities were well accepted and reported to be positive [55]. Thus, in addition to mastering the international language of science, they concluded that learning about each section of an article is essential for improving the writing of that article [55]. To finalize this issue, one must also consider that Brazil is in position 53 and is classified as having low proficiency [56], as pointed out by the Education First English Proficiency Index (EF EPI). This rank, maintained by this international company, is calculated based on countries' proficiency indices through English tests. This information can help UR students understand the low indicators of scientific articles written in English and, mainly, can help advisors who will be able to adopt more effective strategies to guide their mentees.
In our study, the supervisors' perceptions of students highlight that those students who engage in scientific training, as a result of this, are those with the best academic performance. According to a study on the benefits of UR, it was found that these students were generally those with the highest grades and who were most likely to continue their studies [11]. In addition, the benefits of UR experience can be categorized as personal and professional benefits, including greater confidence, behaving as a scientist, better career preparation, and changes in attitudes toward learning and working as a researcher [57].
In relation to the advantage over other students, some indicators were pointed out, such as: group collaboration, autonomy, and improvement in investigation capacity. A study on the development and assessment of the research experience in undergraduate studies showed characteristics similar to those observed in our study: collaboration, autonomy, problem-solving ability, and ability to perform tasks [9].
Students indicated they intend to continue their studies in their academic careers, i.e., to pursue a master's degree and doctorate. Thus, our findings corroborate with another study conducted in the United States, which found that students who participated in UR were up to four times more likely to be accepted into a graduate program than students who did not have this experience [58]. By engaging in UR, students can align their short or long-term goals related to their future prospects, motivated by the utilitarian value of their research experience [59]. Thus, it is clear that participation in scientific research programs can greatly influence and direct students to continue their academic careers and can influence the construction of scientific identity [59].
One of the limitations of our study is that it was conducted in only one educational institution in Brazil. Moreover, while our study focused on the experiences and perceptions of students and their supervisors in UR projects, we recognize, as a limitation of our study, the possibility of other factors contributing to successful collaboration and networking within these programs. Additionally, a more in-depth analysis of the role of supervisors, associated factors, and their impact on student success could be valuable for the formulation of more effective public policies. A strong point of this study is its mixed approach, using both quantitative and qualitative data, which allowed a better understanding of the scientific research experience. These data can help develop strategies to increase scientific production and detect limitations that require actions aimed at improvement.
Finally, we highlight the importance of carrying out future studies which should include other educational institutions in Brazil or even internationally. Thus, we could compare our findings with the perceptions of students and supervisors regarding experiences in other research programs. Scientific production should also be further explored, considering that the purpose of these programs is to initiate research through a project. Among other aspects, this process aims to disseminate scientific knowledge through the works carried out. With this, we would be contributing to the formation of high-level human resources that, in turn, could act as agents of change to face the future challenges of society [49]. From this perspective, our study serves as a starting point for future investigations into the effectiveness of research programs in undergraduate and other levels of education, such as high school.

Conclusions
The main findings of this study indicate that scientific research conducted through institutional programs has fulfilled its purpose of training quality human resources. The perception of students and advisors about the research experience during the school period was recognized as positive. It contributes to constructing professional identities endowed with several skills and promotes development in the personal and social spheres. It is worth mentioning that this development process is not limited to students; it also includes advisors who, by mediating learning, also improve their practices, especially if they periodically reflect on their actions and knowledge.
Moreover, some indicators of the scientific production of students can be improved. The averages of books and patents, for example, were below one, even when the students participated two or more times in the programs. The writing of abstracts and articles in Portuguese or a foreign language should also be encouraged by the advisor. Finally, students, advisors, and institutions were engaged in research, opening space for the strengthening of science in the lives of young researchers.
Therefore, we argue that the integration of forces and efforts in favor of scientific activity can contribute to education to promote integral development. Contact with science promotes multiple experiences that surpass the theory and practice dichotomy, from which social transformation can be favored through the transformation of consciences. Concomitantly, students and supervisors involved in UR develop even more, which reverberates not only in the academic sphere but also in society's (re)construction.

Appendix B
Questionnaire for supervisors Dear Supervisor, You are being invited to participate as a volunteer in the research that aims to evaluate the profile, academic production and evolution of students linked to the Undergraduate Programs.
The data will be used only for the purpose of the research, maintaining secrecy and confidentiality of the respondent, therefore, your answer will not be identified.
Your contribution will be of great importance for the realization of this study. Thank you for your participation and support in this research! Yes, in a national or international magazine Yes, in national or international event annals No, we don't publish and do not intend to publish No, we don't publish but we intend to publish in national or international event annals No, we don't publish but we intend to publish in a national or international journal 27. Have you submitted any products for patent registration from student projects during this term?
Yes No 28. Do you believe that the activities carried out in research projects and/or technological development programs (PIBIC, PIBIC-EM and PIBITI) contribute to your scientific publications?
Yes No

Appendix C
Interview script with undergraduate students You are being invited to participate, as a volunteer, in the research. Your participation consists of answering questions from which information will be extracted that will be used for the scientific publication.
In case of doubt, you can contact the researcher by e-mail. Thanks in advance for your support! Do you agree to participate in this research? I agree to participate in the research I don't agree to participate in the research