The influence of treffinger learning model on critical thinking ability of students in vocational high school Ridwan, Edy Supriyadi, and Mutiara Nurmanita
Universitas Negeri Yogyakarta
Abstract
This research aims to determine the influence of treffinger learning model against critical thinking ability of students in vocational high school. This research is a quasi-experimental research design with post-test only non-equivalent group design. Sampling in the form of purposive sampling technique obtained a sample of 64 learners which divided into experiment and control groups. In experimental group apply treffinger learning model while control with discovery learning model. This study was conducted for 8 meetings. Analysis of test data using t-test with SPSS 21 program. The result of the hypothesis analysis of t-test obtained t count > t table is 3.350 > 1.999 and the P value is 0.01 < 0.05 then Ho is rejected. This research thus shows that the critical thinking ability of learners different significantly between the experimental group with the control. The conclusion that there is a difference between the average critical thinking ability of learners in both learning models.
Keywords: Critical Thinking Ability, Treffinger Learning Model
