Triangulation – a combined use of different assessment methods or sources to evaluate psychological constructs – is still a rarely used assessment approach in spite of its potential in overcoming inherent constraints of individual assessment methods. This paper uses field test data from a...

Examining the occupational variation within non-standard employment, this book combines case studies and comparative writing to illustrate how and why alternative occupational employment patterns are formed. Through expert contributions, a framework is developed integrating explanations based on...

Several studies document that low-educated workers participate less often in further training than high-educated workers. This article investigates two possible explanations: low-educated workers invest less in training because of (1) the lower economic returns to these investments or (2) their...

In elementary school, girls typically outperform boys in languages and boys typically outperform girls in math. The determinants of these differences have remained largely unexplored. Using rich data from Dutch elementary schools, we decompose the differences in achievement into gender...

Several studies document that low-educated workers participate less often in further training than high-educated workers. This article investigates two possible explanations: low-educated workers invest less in training because of (1) the lower economic returns to these investments or (2) their...