Which statement concerning culture and crawling is true?
a. Most North American children are crawling at much younger ages than in past decades
b. There are no known cultures that discourage motor development.
c. As it is genetically programmed, experience does not impact the rate of the acquisition of crawling.
d. The more practice infants get at crawling, the faster they tend to crawl.
d
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Those faces that we might consider the most attractive are those that:
A. are the most symmetrical in shape B. come closest to the average face found in the general population C. approximate a round shape D. approximate a heart shape
Researchers conducted a content analysis in which they coded how males and females are depicted in work settings on TV. They included programs with a story line and all commercials, but they excluded documentaries, news broadcasts, and sports shows. Which characteristic of the researchers' sample is likely to be most affected by these decisions?
A. reactivity B. homogeneity C. representativeness D. internal validity
It may be difficult for young Matthew, who is only 4 years of age, to understand the difference between the iPad that his mother uses, the Kindle that his brother uses, and the Galaxy tablet that his sister uses. After all, all of them are tablets, have touch screens, are electronic technology, and run "apps" that include games and educational programs. These similarities remind us of the concept of ___________, which refers to the fact that animals tend to share many different properties.
A. obstruction B. convergence C. crowding D. overlapping
Using IQ scores as the sole measure of giftedness
a. is the quickest way to identify creative individuals. b. ignores individuals with special talents. c. ignores the poor adjustment that characterizes such persons. d. identifies only persons from upper socioeconomic levels.