4Astin AW. Student involvement :Adevelopmental theory forhigher education. Journal of College Student Personnel,1984;25:297-308
5Finn JD, Floger J, Cox D. Measuring participation amongelementary grade students.Educational and PsychologicalMeasurement, 1991; 51: 393-402
6Mulryan, CM. Fifth and sixth grader' s involvement andparticipation in cooperativesmall groups in mathematics.The Elenentary School Journal, 1995; 95: 297-310
7Kennedy E. A multilevel study of elementary male Blackstudents and White students.Journal of EducationalResearch, 1992;86:105-110
8McManus SM, G, ettinger M. Teacher and student evaluationof cooperative learningand observed interactive behaviors.Journal of Educational Research, 1996 ;90:13-22
9Astin, A.W. ( 1984). Student involvement: A developmental theory for higher education. Journal of College Student Personnel, Vol. 25, 297- 308.
10Ward, B.A. (1982). Changes in student participation in different instructional settings. Journal of Early Adolescence, Vol.2, 363 - 387.
