| dc.description.abstract | This research aims to develop learning instruments of science i.e. textbook, student worksheet, syllabus, and lesson plan based on
local wisdom that can improve critical thinking skills of junior high school students. Indicators of students' critical thinking skills
include interpretation, analysis, evaluation and inference. This study is a Research and Development by using method analysis,
desaign, development, implementation and evaluation (ADDIE). Validation expert was conducted with the expert test related to
format, content/material, and language. The instrument was used on the collection data are documentation, validation sheets,
observation sheets, and test. The result of the instrument in the junior high school class VII Bustanul Ulum Panti Jember shows that
the critical thinking skills of student was improved due to the data from test and observation According to the indicator of critical
thinking skills, the n-gain values of was obtained around 0.47, means moderate interpretation. The conclusions of this research
shows that the learning instruments of science based on local wisdom was developed in valid category so it is quite effective in
improving students' critical thinking skills. | en_US |
