Experimental psychology is witnessing an increase in research on individual differences, which requires the development of new tasks that can reliably assess variations among participants. To do this, cognitive researchers need statistical methods that many researchers have not learned during their training. The lack of expertise can pose…

Accurate measures of youth fitness are needed by researchers and practitioners. Evidence of validity and reliability are essential before results of youth fitness tests can be used to make sound decisions. This article describes a three-stage paradigm for validation research and provides guidance for conducting and understanding norm-referenced…

With the increasing globalization of human resources practices, a commensurate increase in demand has occurred for multi-language ("global") personality norms for use in selection and development efforts. The combination of data from multiple translations of a personality assessment into a single norm engenders error from multiple sources. This…

Building capacity within schools and districts for continuous improvement is a goal of educators at all levels across the United States of America. An important first step in capacity building is identifying schools' current strengths and weaknesses. Schools can then begin building upon existing strengths to implement improvement initiatives.…