When it comes to Facebook there may be more to bad memory than just multitasking☆
Introduction
Facebook is a social networking site designed to help individuals connect with one another. Since its founding in 2004, it has grown to over one billion users in more than 70 countries. When it was first introduced, the purpose of Facebook was to help students attending Harvard connect with other Harvard students. It soon expanded to other college campuses; in 2006, Facebook became available to the general public (Facebook.com, 2012). Not surprisingly, researchers are interested in understanding how Facebook users are being affected by the social networking site. One area of particular interest is determining the impact of Facebook use on academic performance.
Kirschner and Karpinski (2010) found that Facebook users reported lower GPAs and spent less time studying each week than non-Facebook users. Similarly, Junco (2012) and Junco and Cotten (2012) found that Facebook use was negatively associated with college GPAs. These findings are not too surprising for a number of reasons. First, if Facebook users are spending less time studying than non-Facebook users as reported by Kirschner and Karpinski, it is not unexpected that they would report having lower GPAs. Second, Junco and Cotten found that students frequently reported accessing Facebook during lectures. If students are directing their attention to Facebook instead of class lecture or activities, it would be expected that they do not do as well in their classes compared to students who pay more attention to the course content during lectures. Third, previous research has shown that students who spend more time on the internet have lower GPAs. Chen and Peng (2008) found that heavy internet users had lower grades than non-heavy internet users. In addition, heavy internet users reported lower learning satisfaction and worse relationships with administrative staff at their schools. Likewise, Englander, Terregrossa and Wang (2010) found a negative relationship between hours of Internet use and students’ grades. Therefore, even though Facebook is a single internet site designed specifically for social networking, the finding that increased Facebook use is associated with lower grades is similar to what researchers have found when they examined general internet use and grades.
There is ample evidence that trying to perform two tasks at once results in lower performance. Strayer and Johnston (2001) found that individuals who talk on a cell phone during a simulated driving task took longer to both detect and react to traffic signals. Similarly, Owens, McLaughlin, and Sudweeks (2011) found that texting while driving results in longer periods of time with the drivers looking away from the road than just driving does. In addition, it interferes with steering and produces higher mental demands than driving without texting. Both articles suggest that the primary reason for the degraded driving performance of cell phone users and text messagers is the fact that their attention is divided between the task of driving and the use of technology.
Bowman, Levine, Waite, and Gendron (2010) examined the effect of multitasking on reading by having students read a passage while instant messaging. Although they did not find any difference in performance on the reading comprehension task among the groups, they did find that it took individuals significantly longer to finish the reading passage if they were also instant messaging (even when controlling for the time taken to instant message). This suggests that students who read while instant messaging may have to re-read the information multiple times in order to achieve the same level of understanding as those who read the passage without instant messaging. The American Psychological Association also published a paper reviewing the costs of multitasking and concluded that multitasking tends to lead to slower performance rather than more rapid completion of tasks as is frequently believed by those who engage in multitasking (American Psychological Association, 2006).
Finally, Wood et al. (2012) examined the effects of multitasking on classroom learning in a university setting. They compared multiple types of multitasking (Facebook use, e-mailing, texting) to various note-taking conditions such as paper-and-pencil and using a computer for note taking; they found that students who did not use any type of technology outperformed those students who used some type of technology during the lecture. They explained the results in terms of a bottleneck in attention in which off-task use of technology impaired students’ ability to remember information presented during the lecture. Given this wide range of findings regarding the negative effects of multitasking on performance, the finding that students who frequently use Facebook while studying or during class lectures do not perform as well academically as other students seems to fit within the existing literature.
These research findings suggest that divided attention plays a key role in the reduced performance associated with Facebook use. This leads to the question of whether or not high Facebook users would demonstrate performance similar to low Facebook users if they were not allowed to use Facebook during testing (i.e. there was no divided attention). This question was first addressed by Jones (2012). In her study, participants were divided into groups of high and low Facebook users and given both a temporal memory test as well as a free recall memory test. She found that there was no difference in temporal memory between the two groups, but there was a non-significant trend toward reduced free recall memory (p = .07) for high Facebook users compared to low Facebook users. This finding was intriguing because other researchers have previously shown a relationship between memory and academic achievement (Fulton et al., 2012, Geary, 2011, Swanson, 2011). If high levels of Facebook use are negatively associated with free recall memory performance even when Facebook use is not allowed during the study, it suggests that divided attention may not be the only explanation for the negative correlations between Facebook use and student grades discussed earlier. However, the results reported by Jones may have been influenced by the second exposure to the words in the temporal memory test, which preceded the free recall memory test. The current study addresses this issue and builds on the work originally done by Jones.
Section snippets
Participants
Forty-four participants (six females) at a small liberal arts college in Virginia ranging in age from 18 to 25 years old completed the study.
Materials
For the memory test, seventy-two words (twenty-four pleasant, twenty-four unpleasant, twenty-four neutral) taken from Maddock, Garrett, and Buonocore (2003) were used.
Procedures
Participants took part in the study in groups ranging in size from 11 to 20. At the start of the study, participants completed an informed consent form and were given a packet of blank paper
Similarity to previous research
This experiment builds on the findings reported by Jones (2012). In that paper, she found a non-significant trend for high Facebook users to have reduced free recall compared to low Facebook users. However, the results reported in Jones’ article were based on a different question than the one used in this article. Jones divided Facebook participants into high and low users based on the amount of “active Facebook use” they reported. Active Facebook use involved things like posting updates and
Limitations and future research
As previously stated, no causal conclusions can be made regarding the effects of high Facebook use on memory based on these findings. Future research is needed to determine if individuals with poor memory gravitate to using Facebook more frequently than people with good memories or if using Facebook frequently leads to people having worse memories. When this study was initially conceived, we intended to compare high and low Facebook users to individuals who have never used Facebook. However, we
Conclusion
This study examined free recall memory of high and low Facebook users. Results indicated that high Facebook users recalled significantly fewer words than low Facebook users. This finding is important because presentation and recall times were held constant across groups and participants were not allowed to engage in any type of multitasking activity during the study. Therefore, the idea that high Facebook users do worse on cognitive tasks because of divided attention does not explain the
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Portions of this manuscript were presented at the 2012 Association for Psychological Science annual meeting.