A psychologist observes the confrontation between two rival neighborhood gangs from the window of an abandoned building. This method of collecting observations is best described as

Harlow's research with monkeys raised with two types of artificial mothers found that when frightened, infant monkeys went to the artifical mother that

a. provided food b. did not provide food c. was made of cloth d. was made of wire

As a result of adolescents' ability to engage in __________, they often construct grand visions of a perfect world that are at odds with adults' more realistic views

A) hypothetico-deductive reasoning B) propositional thinking C) animistic thinking D) abstract thinking