The Effect of Apprenticeship Method Based on Multimedia Instruction on the Motivation and Academic Achievement of Students in Thermal Installations Course in the Manual Skills Branch

The present study was aimed to identify the effect of Apprenticeship method based on the multimedia instruction on the motivation and academic achievement of students in Thermal Installations course. The method of this research was quasi-experimental. The study population consistedallthird-year studentsof the vocational, (the numberwas600) in thecityof Hamedan. The sample of 20 male students in Thermal Installations course was selected with the targeted sampling method from the population of all students in the third grade of vocational branch in Hamedan in 2014-2015 academic year. The students were divided into two groups, the control group and the experimental group. In order to collect the data, Harter’s standard questionnaire of academic motivation including 33 items and the teacher-made test of academic achievement including two parts, i.e., multiple choice objective test and open-ended reasoning test, were used. The validity of the teacher-made tests was confirmed by the content validity. The reliability calculated for the multiple choice items through Cronbach's Alpha. The reliability calculated for the open-ended items through the scorer’s reliability. In addition, Cattle's Intelligence Test (form B) was also used along with the questionnaires of academic motivation and academic achievement in order to match students and to form the experimental and control groups. The data analysis was done through descriptive statistics and inferential statistics. The findings of this study showed that there was no significant difference between the experimental and control groups with regard to the academic motivation. But there was a significant difference between the experimental and control groups with regard to the academic achievement. Thus, the hypothesis of the effect of Apprenticeship method based on multimedia instruction on the academic achievement of students was confirmed.