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1. Which one of Cook and Campbell's (1979) four big validities best addresses random selection? a. external b. internal c. construct d. statistical 2. Which

1. Which one of Cook and Campbell's (1979) four big validities best addresses random selection?

a. external

b. internal

c. construct

d. statistical

2. Which one of Cook and Campbell's (1979) four big validities best addresses whether the sample was of sufficient size?

a. external

b. internal

c. construct

d. statistical

3. Consumer skills are useful when reading:

a. popular press coverage of research

b. news articles

c. research articles

d. all of these

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