The use of poster on thermodynamics for concept mastery and students attitude in Vocational High School

Abstract

The purpose of this study was to measure the effect of the use media such as vocational posters for concepts mastery and attitudes towards vocational students on the subject of thermodynamics. This study uses a quasi experimental design of pretest and posttest control group design. The study population was grade X on light vehicle engineering and samples are 2 group as an experimental group and control group. Techniques of data collection using tests and questionnaires. The test used as main instrument to measure concepts mastery related thermodynamics premises vocational understanding. Questionnaire used to measure positive attitude towards the use of vocational poster. Analysis of data using the N-gain test and t-test. Analysis of questionnaire using the percentage of the quantitative description. Based on the results of data analysis showed that concepts mastery in the experimental group is higher than concept mastery in the control group. Students on experiment group gives a positive attitude towards the use of posters for vocational subjects thermodynamics.