Which of the following scenario is an example of a pretest-posttest design?
A. comparison of the aggression scores of boys and girls
B. comparison of the aggression scores of third-grade students and fifth-grade students matched on gender
C. comparison of the aggression scores when students are in third grade and when they are in fifth grade
D. comparison of third grade boys to the known population
Answer: C
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A. phonology B. morphology C. semantics D. syntax
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