THE APPLICATION OF LEARNING STRATEGY ACTIVE KNOWLEDGE SHARING TO IMPROVE STUDENT’S ACHIEVEMENT ON COLLOID TOPIC IN CLASS XI IPA IN SMAN 1 EAST KAMPAR

The Research is about using active learning strategy knowledge sharingwhich has been
done to know improvement student’s achievement on colloid topicin class XI SMAN 1 Kampar East.
This research is experimental research based on pretest-posttest design. The sample consisted of two
classes. Experimental class appliedactive learning strategies knowledge sharing, while control class is
not applied. Analysis of data used t-test. Based on final data using t-test formula with dk = 61 and ɑ =
0.05 was obtained Thitung>TTable (2,48> 1,67). That is the application of knowledge sharing active
learning strategies can improve student achievement on the subject in class XI colloidal SMAN1
KamparTimur. Student activity can be seen from the willingness and enthusiasm of students in
spelling worksheets, discussions and sharing of knowledge in solving problems with a group of friends
as well as from other groups. Category increase student achievement in class experiments with the
normalizedgain(N-gain) is 0.69 that include in medium category (N-gain).