In their cross-cultural study of infant development, Callaghan et al. (2011) found that infants in four different cultures displayed about the same amount of _________________
a. active protest
b. communicative pointing
c. pretend play
d. understanding of pictures
Answer: b. communicative pointing
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The term "withdrawal" refers to a definable illness that occurs with a cessation or decrease in use of a drug
a. True b. False Indicate whether the statement is true or false
The public gets suckered into buying the latest weight-loss supplement from television infomercials featuring many testimonials that the supplement is effective, precisely because they rarely consider which question?
A) How expensive will this supplement be to use long term? B) Do the side effects of the supplement outweigh the weight-loss benefits? C) How many people have taken the supplement and not lost weight? D) Is the supplement more effective than diet and exercise?
According to rule-based categorization, people use _____ to decide if an object belongs to a specific category
a. prototypes b. semantic networks c. specific rules or features d. categorization by comparison
In 1950, how many cities had a population greater than ten million, worldwide?
a. one c. 10 b. five d. 20