The notion of a critical language period supports the idea that ____ factors are involved in language acquisition.
A. environmental
B. structural
C. innate
D. social
Answer: C
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When Lin was 7, she witnessed a terrible traffic accident on her way to school. Today, at the age of 32, she has no memory of the traffic accident. Even when she saw pictures of the accident in a recent news flashback, she didn't remember witnessing the accident 25 years ago. According to Freud, Lin may be unconsciously dealing with the potential anxiety related to witnessing the accident by
using the ego-defense mechanism of: a. projection b. reaction formation c. repression d. sublimation
Which of the following is NOT an example of the use of graphical statistics?
a. breaking down a set of math test scores into classes of equal size b. drawing a histogram based on a set of scores from a personality questionnaire c. graphing a set of IQ scores using a frequency polygon d. generalizing from small samples to a larger population
Which of the following is NOT a valid criticism of psychoanalytic theory?
a. The theory of defense mechanisms is so flexible that it can be reconciled with any finding. b. It is difficult to know when to read Freud literally versus metaphorically. c. It fails to mix inference with fact. d. Many of Freud's concepts are unmeasureable.
Compute the time constant of the system.
A block of aluminum is heated to a temperature of 100°C. It is then dropped into a flowing stream of water which is held at a constant temperature of 10°C. After 10 seconds the temperature of the block is 60°C. (Aluminum is such a good heat conductor that its temperature is essentially uniform throughout its volume during the cooling process.) The rate of cooling is proportional to the temperature difference between the block and the water.