By Olatomiwa, A. Zinkat
The purpose of this study was to determine the efficacy of Andragogical Instructional Method (AIM) on students’ academic achievement and retention in mathematics. Andrgogical Instructional Method is a method of teaching used in the field of education to help adult learn, but research is ongoing on its use and efficacy in teaching students at the senior secondary school level. The study was guided by eight research questions and eight hypotheses. Quasi-experimental design was employed. The population of the study was 4767 SSII mathematics students of 30 senior secondary schools in Enugu education zone of Enugu State, Nigeria. A total of 452 SSII students were involved in the study with 236 and 216 students assigned to experimental and control groups respectively. The experimental study lasted eight weeks; two weeks for training teachers that were involved in the studies, six weeks for instruction and administering of tests.