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The study was carried out to determine relative effectiveness of demonstration and project-based teaching methods in developing student’s psychomotor skills and interest in motor vehicle mechanics and maintenance work in technical colleges in Edo state. Two research questions guided the study while two hypotheses were formulated and tested at 0.05 level of significance. The study adopted quasi-experimental research design. The population for the study is composed of the entire 167 National Technical Certificate (NTC) II students (118 males and 49 females) of 2018/2019 session in motor vehicle mechanics and maintenance works in all the five technical colleges in Edo State. A purpose sampling technique was used to select two intact classes of 99 (59 males and 40 females) NTC II students in Motor Vehicle Mechanics and Maintenance work from two technical colleges for the study. The instrument used for data collection was structured questionnairThe instrument used for data collection was achievement test and interest scale titled psychomotor skill performance Test in Motor Vehicle Mechanics and Maintenance Work (PSPTMVMMW) and Inventory Scale on Motor Vehicle Mechanics and Maintenance Work (ISMVMMW). Reliability coefficient of the scores was established using Cronbach Alpha Formula which yields 0.82 and 0.80 respectively. Data collected were analysed using the arithmetic mean and standard deviation to answer the research questions. Analysis of Covariance (ANCOVA) was used to test the null hypotheses at 0.05 level of significance.From the study, the research question one revealed that project based teaching method is more effective in developing students’ psychomotor skills in Motor Vehicle Mechanics and Maintenance works in technical colleges in Edo State. The probability value associated with calculated F-value was less than the significance level of 0.05 which indicates that there was significant difference in the relative effectiveness of demonstration and project-based teaching methods in psychomotor development skills of students in Motor Vehicle Mechanics and maintenance work in favour of the project based teaching method. Based on the findings of the study, recommendations were made that, teachers in technical colleges should use project-based teaching method more in order to facilitate development of psychomotor skills in learners and equip them for gainful employment on graduation as employees or self-employed and employers of labour in their respective trades. Management of technical colleges should provide relevant facilities to enable teachers effectively use project-based and demonstration teaching methods in order to develop students‟ psychomotor skills and interest in their trades.
Aireruor et al. (Thu,) studied this question.