What kind of t test is used for a two-correlated-groups design?
a. randomized t test
b. interdependent t test
c. independent t test
d. dependent t test
Answer is d. dependent t test
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What is an advantage of administering a "walking epidural" or "dual spinal-epidural" during childbirth?
A. The procedure uses small needles and continuous doses of anesthetic. B. It permits the woman to lay prone during labor, which stimulates faster delivery. C. It encourages women to move around less during labor. D. The procedure costs less to administer than other types of medication.
According to research on gender-typed activities,
a. in reality, parents buy boys and girls the same kinds of toys. b. parents tend to assign outdoor tasks to boys and domestic tasks to girls. c. parents are particularly likely to discourage gender-inappropriate behavior in their daughters, rather than their sons. d. aside from stereotyped toy preferences, parents pay little attention to their children's gender-typed activities.
Alison's bathroom scale will not register a weight of more than 130 pounds. Alison does not realize this, and therefore is unaware that she has put on a few pounds until she begins to notice how tight her clothes are. This illustrates the confound of a _____ effect
a. ceiling b. floor c. practice d. fatigue
A(n) _____ is any influence in the response of a participant that can cause variability in his or her response.
A. error B. bias C. fraud D. variable