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Journal of Emerging Trends in Educational Research and Policy Studies (JETERAPS) (Vol 1 No 1)
Article Title: A Comparative Analysis of the Effect of Greeno Problem Solving and Demonstration Teaching Methods on Students' Achievement in Agricultural Science
by Daluba, Noah E. and Mama, Romanus O.

The main purpose of the study was to make a comparative analysis of the effects of the greeno problem solving and demonstration teaching methods on students' achievement in agricultural science in Kogi East Education zone of Kogi State. Two each of specific purposes, research questions and hypotheses guided the study. The study adopted a non-equivalent pretest, post-test control group design. This paper is relevant as the result of the study will assist agricultural science teachers in Secondary Schools to embrace the use of Greeno problem solving method (GPSM) in the teaching of agricultural science concepts. This is because, the method will assist to improve student's understanding and achievement when compared with other conventional methods. The study population included all the 18, 225 SSII students from 195 secondary schools for 2010/2011 academic session. 240 (SSII) students in six intact classes in three coeducational schools were purposively sampled for the study. The instrument for data collection was the Agricultural Science Achievement Test (ASAT) which was made up of forty multiple choice items. The internal consistency of the instrument (ASAT) was 0.79 which was determined using Kuder Richardson (K - R20) formular because the items were scored dichotomously. Six (6) agricultural science teachers, two from each school serve as the research assistants for the teaching and administration of the instrument. Descriptive statistics were used to answer the research questions while the Analysis of Covariance (ANCOVA) was used to test the null hypotheses formulated at 0.05 probability level. Students taught agricultural science using the experimental method taught with greeno problem solving method (GPSM) obtained higher mean score than those under the control method taught with demonstration method (DM). Male students performed better than their female counterparts when taught with either the experimental (GPSM) or control method (DM). Based on the findings, useful recommendations were proffered.
Keywords: Comparative, Greeno, Problem-solving, Students' Achievement, Demonstration
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Editor-in Chief

Prof. Guofang Li
Associate Professor
Department of Teacher Education
College of Education
Michigan State University
United States of America.