Examines strategies for studying individual differences in infant behavior from the standpoints of the distinction between individual differences and developmental function and the need to study change with multivariate techniques. These themes are applied to the study of mental development, behavior genetics, temperament, and attachment. (RJC)

This review of the history of learning disabilities (LD) suggests that creation of the LD category has served scientific, if not always, policy purposes. It finds that 40 years of research have produced inventive, creative tools that benefit both investigation and intervention and, most importantly, a better understanding of individual…

Differences between researchers and practitioners can be found in four areas: the distance from the object of study; the ideological perspective; the purposes of the research; and the political agenda behind the research. Each of these principles dominates the perceptions of the people involved and thus contributes to the phenomenon of mutual…