This study explored the impact of individual versus two-person group testing on graduate students' achievement and motivation to learn while enrolled in a 16-lesson educational research methods course. Students in two sections of the course were exposed to the same content and instructional methods, with one exception: students in one section took…

Procedures devised for computing factor matching statistics in questionnaire construction are described. In a study of the impact of vocational education on social, affective and nontechnical development of students, an attitude questionnaire to measure outcomes was developed. Each item in the final section had a six-point Likert type response…

Latent trait model calibration procedures were used on data obtained from a group testing program. The one-parameter model of Wright and Panchapakesan and the three-parameter logistic model of Wingersky, Wood, and Lord were selected for comparison. These models and their corresponding estimation procedures were compared, using actual and simulated…