Which statistic is an estimate of the magnitude of the difference between the means of two groups measured in standard deviation units?

a. r2
b. t2
c. Cohen’s d
d. ?


c. Cohen’s d

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List several ways that members of various ethnic groups differ in verbal and nonverbal communication patterns

What will be an ideal response?

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Young children's productive vocabularies typically are

a. larger than their receptive vocabularies b. smaller than their receptive vocabularies c. approximately the same size as their receptive vocabularies but include different items d. approximately the same size as their receptive vocabularies and include most of the same items

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Prefixes

a. are infrequent in English words. b. only exist in words which are related to Greek or Latin. c. are too abstract to make them worthwhile learning in elementary grades. d. are useful in learning new words.

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Advance organizers can be used before, during, or after a lesson

Indicate whether the statement is true or false.

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