This paper introduces and exemplifies a qualitative method for studying learning, "microgenetic learning analysis" (MLA), which is aimed jointly at developing theory and at establishing useful empirical results. Among modern methodologies, the focus on theory is somewhat distinctive. We use two strategies to describe MLA. First, we develop a…

Discusses the conditions for validating customary phylogenetic procedures. Concludes that the requisites of homogeneity and completeness for proved short lineages seem satisfied by the Hennigian but not the Haeckelian procedure. The epistemological antinomy of the two procedures is emphasized for the first time. (Author/RH)

On the basis of 117 journal articles published between 1973 and 1975, assesses differences in the qualitative nature of comparative studies of normal Afro-American children and normal children from other racial groups. Findings indicate only a small percentage of studies predicted how Afro-American children would differ from the comparison group.…

Criticizes the operant approach to the study of life span development from a theoretical behaviorism view. It is argued that the operant approach is too limited in its scope to enhance significantly the conceptualization and understanding of life span development. (Author/DB)