Randomized experiments are commonly used to evaluate if particular interventions improve student achievement. While these experiments can establish that a treatment actually "causes" changes, typically the participants are not randomly selected from a well-defined population and therefore the results do not readily generalize. Three…

Research aim was to reveal peculiarities of the education of social skills among senior high school age students in physical education classes. We hypothesized that after the end of the educational experiment the senior high school age students will have more developed social skills in physical education classes. Participants in the study were 51…

The criticism of the Westinghouse-Ohio National Evaluation of Head Start is answered. (CK)

This report describes the experimental design, presents the contract provisions, and provides conclusions and recommendations. The document is comprised of five chapters that discuss (1) the statistical analysis methods used, (2) the problems of using standardized tests in performance contracting, (3) the contractual procedures between OEO and the…

The problems investigated in the present study are the identification of the most effective type of presentation of dialogues in language instruction--auditory, orthographic, or some combination of the two--and the measurement of the accuracy of pronunciation and the amount of dialogue retained by the student. The controlled experiment, performed…

The study reported here deals with the problem of determining what testing device can best indicate a foreign student's readiness for satisfactory performance at the college level, especially in courses requiring a good command of reading and writing skills in English. The study considers several standard proficiency tests and devises a formula…