Laura was conducting a study on two treatment interventions to increase patriotism. During her study, terrorist attacks on a federal building occurred. Laura should be concerned with which of the following validity threats?

a. Statistical regression
b. Instrumentation
c. History
d. Testing


c

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Which of the following is the first stage of writing?

A. Prewriting B. Writing C. Editing D. Rewriting  

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The clear identification and specification of a research topic is the ______ step in any study.

A. first B. second C. third D. final

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A participant who shows evidence that he or she is overly cooperative, overly apprehensive, or overly antagonistic is showing evidence of ______.

A. participant reactivity B. internal consistency C. experimenter bias D. demand characteristics

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In a class of about 30-35 elementary students, you should expect to have about ________ student(s) with AD/HD in your classroom each year.

A. 2 B. 7 C. 5 D. 1

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