In the context of one-group pretest-posttest design and the associated threats to internal validity, any changes that occur systematically over time are called ________ effects.
A. regression
B. history
C. testing
D. maturation
Answer: D
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The finding that, over time, people tend to separate messages from their sources—and forget where or from whom they heard certain things—is known as the ____
a. omega effect b. sleeper effect c. discontinuity effect d. boomerang effect
Chronic stress can make you sick. How?
What will be an ideal response?
Twin studies show that intelligence ____
a. ?stems both from genes and from the environment b. in whites is primarily due to environment, but in non-whites it is primarily due to genes? c. is primarily dependent upon genes? d. is primarily dependent upon the environment?
According to the text, which statement best categorizes the connection between a mother/daughter relationship and an adolescent daughter's sexual habits?
a. Closer mother/daughter relationship, the more likely the daughter will use contraception. b. Mother/daughter relationships have an inverse effect on early pregnancy results. c. Closer mother/daughter relationship, the earlier a daughter will have sexual intercourse. d. Mother/daughter relationship has no effect on the daughter's adolescent sexual practices.