The current Western practice of ________ delays gross-motor milestones of rolling, sitting, and crawling.
A. exposing infants to "tummy time"
B. using rear-facing car seats
C. putting babies in bouncing activity centers
D. having babies sleep on their backs
Answer: D
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According to research on the polygraph test, what is its major flaw? a. It identifies too few of the people who are lying
b. It too often identifies innocent people as lying. c. It is more expensive than other methods of detecting lies. d. It can be used only after someone gives informed consent.
A researcher reports t(22) = 5.30, p< .01 for an independent-measures experiment. How many individuals participated in the entire experiment?
a. 20 c. 23 b. 21 d. 24
In a primary-plus polyamorous relationship, ____
a. new lovers are "secondary lovers," and the primary relationship remains the most important b. all three relationships are equal c. one person has separate but equal relationships with two other people who have no relationship with one another d. new lovers are "primary lovers"
Answer the following statement(s) true (T) or false (F)
White Americans increased problem-solving behaviors while also having high ratings of pessimism.