A new developmental theory from an Iowa State researcher describes how our memory and perception of trauma can evolve over ...

Developmental systems theory (DST) is often dismissed on the basis that the causal indispensability of nongenetic factors in evolution and development has long been appreciated. A reformulation makes ...

Cognitive balancing of hypothetical 3-person systems in which 2 relations are specified and the third is left for S to supply, is examined across the 3 stages of intellectual development described by ...