Content Validity Analysis of Ethnoscience-based Interview Worksheets in Bukit Ajimut for Medicinal Plants Pharmacognosy Learning

This research is aimed to provide Interview worksheets for Vocational School of Pharmacy Students which have content validity with ethnoscience content so students experience directly how to gain information about medicinal plants used locally as inherited knowledge. Interview worksheets are a form of learning media that can support 21^st century skill inside students. Interview worksheets have to be developed with various interview techniques and need a content validity test in order to be used to reach learning goals. The validity of interview worksheets through content validity must be conducted by experts in science learning field. This content validity is done quantitatively by experts by using Aiken's V. This scoring of interview questions is employed to 26 interview questions with the minimum score is 1 and the maximum score is 5 by 9 validators whose expertise in science learning. Score V gained by using Aiken formula from each question compared to Aiken's content validity table with significance level 5% to decide point validity. Data analysis of interview questions show 15 valid questions of 26 in designed worksheet instruments. The result of Alpha Cronbach's reliability test is 0.99 which means that the reliability level is very strong.