Which of the following research designs includes the observation of two groups?
A. nonequivalent control group posttest-only design
B. nonequivalent control group pretest-posttest design
C. one-group posttest-only design
D. nonequivalent control group posttest-only design and nonequivalent control group pretest-posttest design
Answer: D
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What type of distribution describes IQ scores?
What will be an ideal response?
A method of studying developmental changes by evaluating the same people at different points in their lives is a ______ study
a. cross-sectional c. longitudinal b. strain d. biographical
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