NotesFAQContact Us
Collection
Advanced
Search Tips
Showing all 2 results Save | Export
Holmes, Venita R. – Houston Independent School District, 2018
This study hypothesized that HISD prekindergarten participation consistently correlated with better educational outcomes for students. Taking into account students' age differences through kindergarten enrollment, propensity score matching controlled for students' background characteristics. Three cohorts of students in this study were eligible or…
Descriptors: Language Proficiency, Mathematics Achievement, Reading Achievement, Language Arts
Perkins, Kyle; Duncan, Ann – 1988
An item discriminability study of the Iowa Tests of Basic Skills Language Skills tests identified test items that are robust discriminators, psychometrically capable of separating low scorers from higher scorers in the language tests battery. The analysis was conducted by calculating a point-biserial correlation for each item on the four language…
Descriptors: Correlation, Item Analysis, Language Skills, Language Tests