According to Chapter 4, working memory is especially important because
a. it provides a perfect copy of the physical stimulus, for example, a visual image that accurately represents the words on a page.
b. it demonstrates that there is a clear-cut limit to the number of items we can store for a short time.
c. it is the first process that occurs after the stimulus has entered long-term memory.
d. it keeps some items active, so that we can use these items when we are working on a relevant task.
Ans: d
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The average of a series of item characteristic curves is known as
a. the average characteristic curve. b. the standard error of the item characteristic. c. a test characteristic curve. d. the variance ratio curve.
The purpose of a(n) __________ is to review research studies and help researchers consider the areas of potential harm in their proposed studies
a. ethics review committee c. global communications b. grant-writing techniques d. electronic methods
Which of the following is NOT a characteristic of the cognitive structures that are involved
in a language acquisition device and the device itself? a. There is a critical period for the learning of any language. b. Reinforcement is necessary for the learning of language. c. Children test hypotheses about the rules of grammar. d. The device by itself provides a source of motivation for learning a language. e. The device assures that there are some grammatical rules that children will never entertain.
A frequency distribution presents the score values and their frequency of occurrence
Indicate whether the statement is true or false