Describes Probability of Adoption of Change (PAC) model, theoretical paradigm for explaining likelihood of successful adoption of planned change initiatives in student affairs. Reports on PAC construct reliability from survey of 62 Chief Student Affairs Officers. Discusses two refinements to the model: merger of leadership and top level support…

Demonstrates how Rasch models can be used to study differences in item salience within and across time points, and that even if a test does not fulfill assumptions of the Rasch model, it can be used to obtain information on item functioning across participants and over time. Illustrates method using longitudinal data from Baltimore Prevention…

A general process for testing the feasibility of applying alternative mathematical or statistical models to the solution of a practical problem is presented and flowcharted. The system is used to compare five models for test equating: (1) anchor test equating using classical test theory; (2) anchor test equating using the one-parameter logistic…