en Construction and Normalization of the Visual Perception Test for the Preschool and Elementary School Students in Tehran City عمومى General پژوهشي Research This research is executed to find a valid instrument for diagnosis of visual perception deficiencies. Test of visual perception is composed of 7 subskills as follows: visual-motor integration, figure ground, visual discrimination, form constancy, visualization, spatial relations, and visual sequential memory. The research covered 1600 elementary school and pre school students: 800 boys: 400 preschool students and 400 first grade elementary school students. 800 girls: 400 preschool students and 400 first grade elementary school students. The selection of the sample followed a multistage sampling method. A developmental test of visual perception and the Goodenough test were administered individually. Goodenough test was used to determine the value of criterion validity. Descriptive statistics, Cronbach__AWT_QUOTE__s alpha, Pearson correlation coefficient, and t–test were used to analyze the data. The results showed: 1- Norm Tables for the total scores were demonstrated and listed for gender and academic grade, separately. 2-The reliability coefficients of test were found to be .74. 3-The correlation coefficient between the created test and the criterion test for the total score and all subtests were significant. 4- The difference between the developmental visual perception in boys and girls was significant. 5- The difference between developmental visual perception in preschool and first grade elementary school students was significant. 0 0 http://ijpb.ir/browse.php?a_code=A-10-39-34&slc_lang=en&sid=1 mohammad رسول کرد نوقابی nevisandeh election دکتر rasool kord noghabi نویسنده مسیول 1003194753284600582 1003194753284600582 No department of psychology bu-ali sina university department of psychology bu-ali sina university khanom مریم اشکان خانم maryam ashkan 1003194753284600583 1003194753284600583 No department of psychometrics allameh tabatabaie university department of psychometrics allameh tabatabaie university mohammad فریبرز درتاج دکتر fariborz dortaj 1003194753284600584 1003194753284600584 No department of educational psychology allameh tabatabaie university department of educational psychology allameh tabatabaie university aghaye حسن محمودیان آقای hassan mahmoudian 1003194753284600585 1003194753284600585 No department of psychometrics allame tabatabaie university department of psychometrics allame tabatabaie university