Critiques Lytton's article in this issue that argues against focusing on the relative strength of child effects versus environmental effects. It is recommended that researchers should instead focus on the issues on which mechanisms operate and how they interact during transactional development. (RH)

Although Grusec and Goodnow provide a compelling framework for organizing disciplinary encounters found to affect moral internalization, their hypothesis remains untested. Researchers need to devise conceptually sound measures of message acceptance and show that message acceptance does indeed mediate internalization before committing themselves to…

Addresses concerns raised in Neale's commentary regarding the Bussell et al. (1999) Nonshared Environment in Adolescent Development study. Discussion of assumptions focuses on those most relevant to study sample. Because Neale's proposed alternative models did not provide a better fit, the appropriateness of Bussell's model and importance of…