A study found that criminal assaults are positively correlated with increased purchases of ice cream. This correlation can best be explained by
A) a causal relationship between violence and ice cream
B) an ingredient in ice cream that makes people violent
C) a badly done and faulty study
D) a moderator that may link the two variables
Answer: D
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A very important concern with patients with PTSD is an increased risk of _______.
A. eating disorders B. impulsive decisions C. risky sexual behavior D. suicide
Researchers have found that 2- to 7-year-old children are actually less egocentric than Piaget thought. What is an example of a toddler understanding the perspective of someone else?
a. when a toddler breaks the favorite toy of an older sibling to annoy him or her b. when a toddler dreams that he or she is someone else c. when a toddler speaks in long sentences to babies d. when a toddler eats his or her meal as quickly as possible