Effectiveness of Strategic Intervention Materials (SIM) in Biology for Grade 8 Students

The study aimed to determine the effectiveness of Strategic Intervention Materials (SIM) in Biology for Grade 8 students in the K to 12 Basic Education Curriculum in Hagonoy National High School. The researcher used the experimental research design in order to attain such objectives specifically the randomized pretest - posttest control group design. The respondents of this study were the selected 50 Grade 8 students, 25 students were put in the experimental group (exposed with the Strategic Intervention Materials) while the other 25 was in the controlled group (treated using the traditional method of teaching). Data were gathered, collated and analyzed using mean, standard deviation and paired sample t - test. The level of performance in the pretest evaluation of the Grade 8 students in Biology using the traditional method of teaching and the Strategic Intervention Materials was at the Beginning Level. The level of performance in the posttest evaluation of the Grade 8 students in Biology using the traditional method of teaching was at the Approaching Proficiency Level while using the Strategic Intervention Materials was at the Proficient Level. There was no significant difference on the pretest performance of Grade 8 students in Biology using the Strategic Intervention Materials and traditional method of teaching. However, there was a significant difference on the posttest performance of Grade 8 students in Biology using the Strategic Intervention Materials and traditional method of teaching. There was a significant difference on the mean gain score results of using the Strategic Intervention Materials and the traditional method of teaching based on the performance of Grade 8 students in Biology. This Strategic Intervention Materials was recommended to be used in the class.