Which of the following theoretical perspectives focuses the LEAST on environmental or social explanations of child development?
A) Neuropsychology B) Ecological systems theory
C) Cognitive-developmental theory D) Behaviorism
A
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In a classic study, Gibson and Walk (1960) placed infants of various ages on a fabric-covered runway that ran across the center of a device called a visual cliff. What were the findings of this study?
A. Most infants spent an equal amount of time on the "shallow" and "dropped" side of the visual cliff because of their immature depth perception. B. Most infants spent most of their time on the "dropped" side of the visual cliff because it was novel. C. Most infants would only cross the visual cliff if encouraged to do so by their mothers. D. Most infants would not cross the visual cliff, even if encouraged to do so by their mothers.
A reflexive response elicited by a stimulus in the absence of learning is called a conditioned response
Indicate whether this statement is true or false.
An experimenter finds that a certain male subject always has an increased heartbeat when he hears a certain piece of music. The experimenter sounds a buzzer and then plays the piece of music
The experimenter repeats this procedure until the man responds with an increased heartbeat to the sound of the buzzer alone. In this situation, the conditioned response is ______. a. an increased heartbeat c. the sound of the buzzer b. the piece of music d. listening to the music
What is a defining characteristic of anorexia nervosa?
A. Binge eating B. Increased body mass index C. Purging through vomiting D. An irrational fear of being overweight