This study was aimed to investigate the effect of simulated analogical reasoning blended with group discussion method on secondary school students' physics achievement. A total of 120 grade 10 th students from three different high schools found in Debre Tabor Town, Ethiopia was selected and assigned as three experimental groups randomly to be treated through simulated analogical reasoning blended with group discussion method, concrete analogical reasoning method blended with group discussion method and alone in the learning of contents of electricity and magnetism. A quasi-experimental design was used. Electricity and magnetism performance test was employed to collect data. One-way ANOVA result indicated that students who used simulated analogical reasoning blended with group discussion method achieved a significant larger mean score in their performance test than other groups. To this end, this teaching method is more effective to enhance students' achievement than other model of analogy-based instructions.

Jigsaw-IV Problem-solving method is innovative active learning instruction used to improve college student’s learning. The main purpose of the study was to investigate the effect of Jigsaw-IV problem-solving instruction on preservice physics teachers' (PSPT) procedural knowledge in college of teacher education in the Southern nation nationality region of Ethiopia. The study involves 136 first year PSPTs who are attending their preservice teacher education program in four colleges of teacher education. To achieve the goal of the study, a quasi-experimental research method with the pretest-posttest design was used. Procedural knowledge test was used for Data collection. The reliability of the test was checked using KR-20 and found to be 0.83. In treatment groups one, two, and three, the TECDRER (Thinking, Exploring, Choosing, and Manipulating), Discussing, Reflecting, Evaluating, and Re-teaching) model used in Jigsaw-IV problem-solving strategies (J-IVPSS), Jigsaw-IV (J-IV), and Problem Solving Strategies (PSS) were employed, while the customary method was employed for the comparison group. After checking all necessary assumption the data was analyzed using descriptive statistics and inferential statistics such as ANOVA and ANCOVA. The results showed that treatment groups performed significantly better than the comparison group. It was suggested that the J-IVPSS is a good approach to enhance PSPT's Procedural knowledge.

The study aims to assess the difficulties in factual knowledge, conceptual understanding, and procedural knowledge of physics pre-service teachers on Newton’s laws of motion. The study was conducted in four colleges of teacher education located in the southern regions of Ethiopia .This study employed descriptive survey methods. For data collection, 14- Factual-Knowledge Test, 19- Conceptual understanding test and 3-open ended questionaries’ were used. Descriptive statics such as means, standard deviations, percentages, frequencies, and Minnesota Assessment of problem solving Rubric are used for written solution, where 136 students were involved in the quantitative part. They were consulted in the qualitative part of this study. The findings reveal a lack of conceptual understanding (61 percent) and procedural knowledge among pre-service physics teachers. This is evident in their low performance in the category or indicator dimensions of using, determining, and understanding problems (56 percent), in writing laws and principles (61%), and in determining the correct answer to problems (59 percent). A reasonable recommendation is given to solve the problem so that the pre-service physics teacher has adequate conceptual and procedural knowledge.