P Diagnostic Validity of Thehran- Stanford-Binet in Amol Learning Disability Students

This research   has been conducted with this goal to determine the diagnostic validity of the   new version of Tehran- Stanford- Binet for students with learning   disabilities. The statistical population consists all students with learning   disabilities who have been   referred   to Amol’s center of learning disabilities in the semester 1393- 1394. The   sample size contained 60 students who were selected by purposive sampling. To   collect data for this research the new version of Tehran-Stanford-Binet has   been used. In order to analyze the data and to determine the validity of   diagnostic instrument, diagram of the distribution and the confidence   interval method, and Composite has been used. The results showed that this   scale in the areas of knowledge, working memory and quantitative reasoning   has a little bit of a good diagnostic validity. Considering this fact that   subtests were low in students with learning disabilities, we can conclude   that these three indicators have the required predictive power, and with an   emphasis on the average of the constituent elements of nonverbal Domain of   Tehran-Stanford-Binet’s IQ test it was determined that among the factors,   verbal working memory with (5/08), has the lowest average.