This study investigates the relationship between School Library and Students' achievement on a population sample of 9896 Schools. Many international researches confirmed the importance of the School Library for the Students learning. Recently the IEA PIRLS survey has revealed a positive relationship between the Reading comprehension performance…

This study aims to examine the effects of friendship skills training on the quality of friendship and subjective well-being of adolescents. In order to determine the experimental and control groups, the Friendship Quality Scale and the Adolescent Subjective Well-Being Scale were administered to 311 students in 9th, 10th and 11th grade classes from…

Student-led discussion modules are the bread and butter of the language arts classroom; however, teachers are currently limited to very few techniques to choose from, such as large class Socratic Seminars and fish bowls, or small group literature circles. In order to determine which of these discussions are more successful for students, each…

This paper is based on the construction and evaluation of reliability and validity of reasoning ability test at secondary school students. In this paper an attempt was made to evaluate validity, reliability and to determine the appropriate standards to interpret the results of reasoning ability test. The test includes 45 items to measure six types…

This study investigates the effect of a conceptual change approach over traditional instruction on students' understanding of DNA, gene and chromosome concepts. 52 10th grade students belonging two different classes participated the study. One of the classes was assigned randomly to the control group, and the other class was assigned randomly to…