When Bayley retested adults who had been part of a Berkeley, California, study when they were children, she found that the typical 36-year-old was still improving on:

The specific department of health and human services (hhs) regulations that apply to research with children are known as: subpart b: additional protections for children involved as subjects in researchsubpart a: the common rulesubpart d: additional protections for children involved as subjects in researchsubpart c: protections for children in research