Background: Research clearinghouses (CHs) seek to play an important role in identifying successful social programs and practices. The evidence-based policy movement has grown tremendously over the last few decades and has gotten institutionalized in the form of CHs in the US. CHs (1) specify standards for evaluating the quality of evidence from…

The concepts and paradigms "development", "evolution", and "developmental behavior genetics" target, in their statements, populations. The laws of genetics and evolution are supposed to apply to every single case in a population. It can be counted among the major contributions of Gottlieb (1992, 1995) to have pointed…

Molenaar's (2015) article concerns Developmental Systems Theory (DST) in relation to behavior genetics and he presents implications of DST for empirical research, especially the need for subject-specific studies. In this commentary, the article is discussed from a broader developmental science perspective, particularly regarded through the lens of…