COMPARATIVE EFFECTIVENESS OF THREE TEACHING METHODS ON STUDENTS’ PSYCHOMOTOR PERFORMANCE IN BRICK/BLOCK-LAYING AND CONCRETING IN DELTA STATE TECHNICAL COLLEGES

Author: Ayonmike Chinyere Shirley
Department: Vocational Education
Affliation: Nnamdi Azikiwe University Awka

This study sought to determine the comparative effectiveness of three teaching methods, namely: lecture, demonstration, and blended teaching methods on students’ psychomotor performance in brick/block-laying and
concreting in Delta State technical colleges. Nine research questions guided the study and twelve hypotheses were tested. The population of the study was 215 vocational year one students of brick/block-laying and concreting in
the six government technical colleges in Delta State. No sampling was done in the study, thus all the 215 brick/block-laying and concreting students in vocational year one were used as sample of the study. A quasi-experimental research design was used which involved pre-test post-test and non equivalent groups. The instrument for data collection was the Modified Brick/Block-laying and Concreting Competency Assessment Instrument
(BCCAI). Test re-test method was used to ascertain the reliability of the modified BCCAI using data collected from 20 brick/block-laying and concreting vocational year one students from technical colleges in Edo State.
Pearson’s product moment correlation was used to analyse the data and a reliability coefficient of 0.96 was obtained. The experiment lasted for sixteen weeks. Data collected were analysed using mean and standard deviation for answering the research questions and analysis of covariance (ANCOVA) for testing the hypotheses at 0.05 level of significance. Findings of the study revealed that students in experimental group 1, 2 and 3 that were taught brick/block-laying and concreting with lecture, demonstration, and blended teaching methods improved in their post-test psychomotor performance when compared with their pre-test. Therefore, it was concluded that lecture, demonstration, and blended teaching methods have significant effects on students’ psychomotor performance in brick/block-laying and concreting. However, blended teaching method was found to be the most effective teaching method when compared to lecture and demonstration teaching methods. Hence it was recommended, among others, that government should adequately provide the required training materials and human resources for effective teaching of brick/block-laying and concreting trades in particular and other technical trades in Delta State technical colleges.

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