This paper investigates the effect of relative income on marriage. Accounting flexibly for absolute income, the ratio between a man's income and a local reference group median is a strong predictor of marital status, but only for low-income men. Relative income affects marriage even among those living with a partner. A 10 percent higher reference…

Changes to state tests impact the ability of State Education Agencies (SEAs) to monitor change in performance over time. The purpose of this study was to evaluate the Standardized Performance Growth Index (PGIz), a proposed statistical model for measuring change in student and school performance, across transitions in tests. The PGIz is a…

This paper empirically evaluates Caplow and McGee's (The academic marketplace, 1958) model of academia as a prestige value system (PVS) by testing several hypotheses about the relationship between prestige of faculty appointment and job satisfaction. Using logistic regression models to predict satisfaction with several job domains in a sample of…

Douglas, Roussos, and Stout introduced the concept of differential bundle functioning (DBF) for identifying the underlying causes of differential item functioning (DIF). In this study, reference group was simulated to have higher mean ability than the focal group on a nuisance dimension, resulting in DIF for each of the multidimensional items…

The following empirical study examines the acquisition of expertise. The model structures in the domain of empirical methodologies were examined in a time period of two semesters. At each measurement point (N = 5), the model structures of the reference groups were compared with those of the group of learners. The group of learners consisted of (N…

Lifelong learning has been linked by policymakers to economic and social wellbeing. This paper introduces the concept of training brokerage as an efficient way of meeting the needs of learners, industry and education and training providers. It presents findings from a study of the features, processes and outcomes of training brokerage arrangements…