%0 Journal Article %A Rezaei, Akbar, Khodakhah, Shabnam %T The statistical population was 1892 people (118 gifted and 1774 normal) Using Cochran’s adjusted formula the sample size was 51 gifted and 268 normal people %J Journal of Instruction and Evaluation %V 2 %N 5 %P 117-134 %D 2009 %R %U https://sanad.iau.ir/fa/Article/972737