Effects Of Cooperative Learning Strategy On Biology Students Academic Achievement And Retention In Senior Secondary Schools

For the purpose of this study, the following research questions were raised and answered.

1. What is the effect on the performance scores of students taught biology using cooperative learning strategy with models (CLS + M) and their counterparts taught using cooperative learning strategy (CLS) without models?
2. What is the effect on the performance mean scores of students taught biology using cooperative learning strategy with models (CLS + Model) and their counterparts taught using teaching method without models (L)?

3. What is the effect on the performance mean scores of Students who taught biology using teaching method with models (L+M) and their counterparts taught using teaching method (L) without models?
4. What is the effect on the retention ability of Senior Secondary Schools biology students who were taught using cooperative learning strategy with models (CLS +M) and those taught using cooperative learning strategy (CLS) without models?
5. What is the effect on the retention ability of Senior Secondary Schools biology students who were taught using cooperative learning strategy with models (CLS + M) and those taught using teaching method without models (L)?
6. What is the effect on the retention ability of Senior Secondary Schools biology students who were taught using teaching method with models (L + M) and those taught using teaching without models (L)?