Guided by evolutionary-developmental models, this study tested the hypothesis that children's exposure to parental relationship instability, defined by initiation and dissolution of caregiver intimate relationships, has both costs in cognitive impairments and benefits in enhanced learning skills. Participants included 243 mothers and their…

This article highlights the main ideas that underlie the differences in potential pragmatic knowledge constructs students experience when solving problems, between the zone of proximal development (ZPD) and the zone of potential construction (ZPC). This qualitative research is based on a phenomenological approach to finding the meaning of things…

Many schools across the United States and Canada are now implementing response-to-intervention (RTI) as a means to address the needs of students who struggle with reading, writing, or math by using dual discrepancy (i.e., low ability and little to no progress over time with targeted intervention programming) as a means to classify for learning…