... children, attempt to disentangle variables confounded in previous research, and highlight internal validity issues, and less likely to utilize random or representative samples. Contrary to prediction, major developmental journals published relatively fewer race-comparative studies and more race-homogeneous...

...Rick J. Scheidt The purpose of this brief note is to offer a critical commentary of recent attempts by adult-cognitive developmentalists to conduct more meaningful, ecologically-valid research. Emerging illustrative efforts to develop cohort- and contextually-relevant instruments for assessing...