Kevin is enjoying a fine lunch in his high chair. He picks up a handful of spaghetti and stuffs it in his mouth. Next, he picks up two handfuls and shoves them in his ears. The next handful goes in his hair, and the one after that is casually thrown on the floor. As his motivation appears to be simply the novelty of each of these acts, Kevin's behavior would best be categorized as a
A. secondary circular reaction.
B. primary circular reaction.
C. tertiary circular reaction.
D. beginning of thought.
Answer: C
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When considering the effects of early of late puberty on adolescents, which of the following is FALSE?
A) Some early maturing boys may show more aggression and hostility than later-maturing boys. B) Early-maturing girls are more likely than late-maturing girls to develop eating disorders. C) Some early-maturing boys tend to have more confidence, feel more secure, and have more success with academics. D) Some early-maturing boys have a tendency to get involved with a deviant group of peers, E) Late-maturing girls have more unwanted pregnancies than early-maturing girls.
A regression point displacement design is particularly attractive when ____
a. the researcher is evaluating a program that has already begun b. the unit of study is a community rather than an individual c. it is important that those who most need the treatment receive it d. there are concerns about selection-maturation effects
Most adolescents need a bridge in their transition from childhood to young adulthood, easing the shift from childish behaviors to more independent ones. This bridge is generally provided by
a romantic partner. permissive parents. favorite teachers. cliques and crowds.
Roberto is bad-tempered and irritable. According to the humoral theory of personality,
Roberto's personality stems from an excess of a. yellow bile. b. black bile. c. phlegm. d. blood. e. fluid.