Family studies are better than adoption studies at teasing out the contributions of nature and nurture

How do only and first born children feel in regard to their peers?

What will be an ideal response?

An excessive pattern of behavior that emerges as a by-product of an intermittent schedule of reinforcement for some other behavior is known as:

A) ?behavioral drift. B) ?instinctive drift. C) ?adjunctive behavior. D) ?sign tracking.