May used many dialectical opposites (such as agape vs. apathy, or freedom vs. destiny) in his theory, whereas Becker used only one, which is

According to Thomas and Chess, the difficult child

A) shows mild, low-key reactions to environmental stimuli. B) is irregular in daily routines. C) shows unique blends of temperamental characteristics. D) displays no identifiable temperamental traits.

Freud arrived at his developmental theories through his work with which of the following groups?

A) His own children B) Children who were orphaned C) Male adult patients who had suffered traumatic events D) Adults who were suffering from serious mental disorders