this study investigates and compares the efficacy of differentiated instruction and traditional-based instruction on enhancing iranian students’ reading comprehension. eight elementary, intermediate, and advanced classrooms from 1 language institute were chosen, and based on their performance on the pretests were further divided into 4 control and 4 treatment groups. flexible grouping, tiered i...

This study investigates and compares the efficacy of differentiated instruction and traditional-based instruction on enhancing Iranian students’ reading comprehension. Eight elementary, intermediate, and advanced classrooms from 1 language institute were chosen, and based on their performance on the pretests were further divided into 4 control and 4 treatment groups. Flexible grouping, tiered i...