The implications of a mathematical model of test scores are explored where the data are limited to a random sample of items without replacement from an indefinitely large population or item domain in which items are scored either zero or one. The purpose is to obtain an unbiased estimate of a student's proportion of items correct in the item…

The measurement information generated by CRT's is designed for use in instructional management systems where classifications of pupils for treatment are to be decided on the basis of minimal data consistent with predetermined limits for the errors of misclassification. The measures obtained are content specific estimates of proficiency useful for…

This study provides preliminary evidence as to the validity of measures derived from the "Tests of Scientific Thinking" (TST). The TST and the Graduate Record Examinations (GRE) were compared with regard to their relationships to interests, self-appraisals, and accomplishments of students during their first year of graduate work in…