Studies of infant motor development in autism spectrum disorder (ASD) have increased in recent years. This article synthesized this literature through meta-analysis to assess (a) whether infant motor ability differs in ASD relative to neurotypical controls; and (b) whether motor ability and communication are related in infants with ASD. Study 1…

Examines research in folkbiology (commonsense understandings of plants and animals) to argue that several lines of comparative research are needed to understand the acquisition of folkbiology in particular and conceptual development in general. Asserts that comparisons are needed between children and adults within a given society, between adult…

Reviews research regarding the sexual identity, personal development, and social relationships of children of gay and lesbian parents. To date, there is no evidence that the development of children of gay and lesbian parents is compromised relative to the development of children of heterosexual parents. (BC)

Compares paths of development in Japan (symbiotic harmony) and the United States (generative tension) of parent-child and adult mate relationships, challenging assumptions that certain processes are central in all relationships or that U.S. relationships are less valued or weaker than Japan's. Suggests need to investigate processes underlying, and…