To protect children, it is better to remove all frightening creatures from children's fairy tales

According to the article Kids Say the Darndest Thingsabout children's memories, children in the stereotype

group (a) filled out surveys about beliefs concerning Sam Stone's ethnic origin (b) heard stories about Sam's clumsiness (c) met with Sam and found that he had racist ideas (d) were shown pictures of Sam, but not told anything

Which subtype of psychologist might studyparenting styles and children's self esteem?

A) comparative B) social C) developmental D) educational