________________ has effects that are so potent and rapid that it is probably the most effective reinforcer of all available drugs

Which of the following psychologists proposed what is known as the Big Five?

a) Gordon Allport b) Carl Jung c) Raymond Cattell d) Lewis Goldberg

Because each layer is part of a complex system in Bronfenbrenner's theory,

A) only one layer can be active at a time. B) some children are not able to reach the outermost layer. C) different cultures have completely different kinds of layers. D) interactions between layers go both ways.