Currently, the research on the overall effect of flipped instruction on K-12 students' academic achievement has been insufficient, especially across various subject areas and grade levels. To redress this research gap, this study first synthesised five aspects of research on flipped instruction, including theoretical underpinnings, application…

Flipped learning is a pedagogical approach in which the traditional way of instruction is inverted by presenting new concepts and subject matters before class and allocating more class time to collaborative, individualized, and differentiated learning. Recently, the use of flipped learning has become popular in the context of learning English as a…

This meta-analysis employs a theoretical framework in quantitatively synthesizing empirical studies that investigate the effects of distance education (DE) versus classroom instruction on undergraduate student achievement. Analyses of 218 findings from 103 studies were conducted according to how media were used to support DE pedagogy. The results…