I. Wardani, Djukri
Competency result is a major problem encountered in school level education. This research aims to investigate the effectiveness of the guided inquiry model with a starter experiment approach towards the students' critical thinking skills. Using a quasi-experimental design, this research took a sample of 64 students of X MIPA1 and X MIPA5. A technique in selecting the sample was cluster random sampling. To collect the data, the test was utilized. The data analysis was performed using the normality test, homogeneity test, and ANCOVA test with the significance level of 0.05. The mean of the posttest result was 84.14%. The improvement of critical thinking skills was 42.89%, compared to the result of the pretest. This research shows that the guided inquiry model with a starter experiment approach had a significant effect on the students' critical thinking skills in understanding Fungi material. © Published under licence by IOP Publishing Ltd.
Graduate School Biology Education Department, Yogyakarta State University, Indonesia; Lecture Department of Biology Education, Graduate School, Yogyakarta State University, Indonesia
