This study investigated the effectiveness of student-centered instruction on eighth-grade students' conceptual understanding of photosynthesis. The study employed a Quasi-experimental research method. The data collection instruments included were multiple-choice tests, observations, and an informal assessment. The pretest and posttest were…

The study was conducted to assess the effect of a blended learning educational model on grade ten students' mathematics conceptual understanding in Ethiopia. A non-equivalent pre-test and post-test quasi-experimental design was employed. Two intact classes from different schools were randomly selected and assigned to experimental (n=38) and…

The study investigated the effects of a technology-integrated guided inquiry-based approach on pre-service mathematics teachers' conceptual understanding of geometry when compared to a guided inquiry approach and a traditional teacher-centered approach. A non-equivalent pretest-posttest control group quasi-experimental design was used. A…

Lexical bundles are two or more string of words that co-occur frequently in a corpus. Hence, this corpus-based research design study examines the effects of lexical bundles on English as a foreign language learner's abstract genre academic writing skills, and it also investigates students' perception towards lexical bundles instruction to enhance…

This study investigated the effects of teaching vocabulary through the lexical instructional approach in EFL intermediate level students. Ninety-five (95) students participated in a non-equivalent pre-test-post-test quasi-experimental design study. The participants were given vocabulary competence pre-test in order to check their homogeneity in…