Keywords
Abstract
This study investigated effects of computer based instruction (CBI) on achievement and interest of Technical Colleges’ students in fabrication and welding technology. The study was a pretest, posttest, non-equivalent control group quasi-experiment which involved groups of students in their intact classes randomly assigned to experimental and control groups. Four research questions and four hypotheses, tested at 0.05 level of significance guided the study. The sample size was 82 students from which 42 students constituted the experimental group taught using CBI, and 40 students constituted the control group taught with traditional teaching methods. The instruments used for data collection were Fabrication and Welding Achievement Test (FABWAT) and Fabrication and Welding Interest Inventory (FABWII). The data collected were analyzed using mean, to answer the research questions while ANCOVA and t-test statistics were used to test the hypotheses. The study found difference between the mean achievement scores of the experimental and control groups was statistically significant (F1, 79 = 329.524, r<.05) in favour of experimental group. The study also found the difference between the mean interest scores of the experimental and control groups after treatment was statistically significant (F1, 79 = 17.617, r<.05) in favour of experimental group. In view of the positive effects of CBI, it is recommended among others, that the method should be adopted to teach fabrication and welding technology in the technical colleges.