Validity and Reliability Instrument for a Scientific-based Module Book

Ahmad, Ahmad (2019) Validity and Reliability Instrument for a Scientific-based Module Book. ARTIKEL PROSIDING.

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Abstract

The objective of this present research was to test the validity and reliability of a scientific-based module book according to the 2013 curriculum. This research was conducted in State Junior High School 2 (SMPN 2) Banyumas using descriptive quantitative approach. Two instruments were employed to test the validity and reliability of the module book. The results showed that the mean value obtained from the three experts in terms of the aspects of content, language and evaluation is 2.25, 3.44 and 3.58, respectively, and the overall mean value is 3.46. Based on the determined criterion, instrument validity should be higher than 3.00. Therefore, the module book has fulfilled the validity criterion. Meanwhile, based on the Grinnell's reliability instrument, a module book is considered to be reliable if the reliability value (R) is higher than 0.75. The reliability value of this book (R) is 0.75, so it has fulfilled the reliability requirement.

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