[1] Ondokuz Mayis Univ, Dept Special Educ, Coll Educ, Samsun, Turkey
[2] Dumlupinar Primary Sch, Carsamba, Samsun, Turkey
[3] UCL, Inst Educ, Quantitat Social Sci, London WC1E 6BT, England
[4] Florida State Univ, Dept Early Childhood Educ, Coll Educ, Tallahassee, FL 32306 USA