Which of the following is an example of concurrent validity?
A. two sets of behaviors occurring at once
B. updating classroom behaviors
C. known high science achievers scoring high on a biology achievement test
D. the setting of a standard of performance that is expected to be reached
C
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The average American child spends more than ____ hours per day watching TV and movies, using computers, playing video games, and using cell phones
a. 3.5 b. 5 c. 7.5 d. 8.5
A research design in which participants contribute data to one and only one group mean is called a(n) ______.
Fill in the blank(s) with the appropriate word(s).
The first solid food to be added to the baby’s diet between four and eight months of age should be
a. strained fruit. b. strained green vegetables (for instance, spinach). c. iron-fortified rice cereal. d. any kind of strained baby food.
Cutting up your credit cards and reading the newspaper online are two ways to
A. increase expenditures. B. live more simply. C. determine your income sources. D. save money.