To determine if measures of the frequency of English root words can serve as reliable predictors of knowledge of those words, a 98-item multiple choice vocabulary test, in which all of the items were English root words, was administered to 46 third graders and 45 fourth graders. The percentage of correct responses for the words was correlated with…

A group test and individual interviews were used to investigate quantitative and qualitative aspects of students' vocabularies. Subjects for the group test were 144 high-, middle-, and low-ability fourth and sixth graders. Subjects for the interviews were eight high- and low-ability third and fifth graders. The group test consisted of two forms of…

This report examines student performance on a test composed of items developed to be aligned with the Charleston County School District (CCSD) Language Arts Comprehension Curriculum. The report contains a data analysis section that explains the relationship between two basic concepts of the Rasch measurement model, item difficulty and student…

A bilingual prediction study was conducted in order to gather information that school districts could use in making decisions about instructional transition for students in transitional bilingual programs. In 1976, 115 third graders were tested in reading, verbal ability, and aural comprehension in both English and Spanish. Attitude toward…

To gather longitudinal student achievement data from schools utilizing the four-day week, Iowa Tests of Basic Skills (ITBS) grade equivalent scores were obtained in 1984 from five rural Colorado school districts for four consecutive years--two years prior to and two years following the districts' change to the shortened week. A first analysis…