This study investigates the effect of grammar teaching by the intuitive method on student achievement and attainment through comparison with the effect of the direct lecture method on the same variables. The study used the pretest-posttest control group design, a quasi-experimental design under the experimental research method, by adopting a…

The purpose of this study was to examine the effects of using GeoGebra software in a computer-supported collaborative learning (CSCL) environment on seventh grade students' geometry achievement, retention of learning, and attitudes toward geometry. The study was designed using a quasi-experimental research method with pretest, post-test and…

The purpose of this study is to reveal whether or not the social skills teaching program based on the direct instruction approach is effective on the ability of mentally retarded students in regular classroom settings to gain social skills such as apologizing, asking for help and finishing a task on time, and to generalize these abilities. This…