By the time a child enters the concrete operations stage of cognitive development he or she is capable of grasping the concept of conservation
Indicate whether the statement is true or false.
T
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A researcher was interested in examining the different levels of aggression shown by college students and prisoners with life sentences. Aggression was measured by surveys given during one session. Which analysis should the researcher perform on the mean aggression scores of the groups?
a. related means t test b. independent means t test c. correlation d. regression
At age 2, Andre lives in an apartment in a three family house. His grandmother lives on the
first floor, and his aunt lives on the second floor. Andre and his mother live on the third floor. Andre's mother leaves him alone in the apartment when she has to run a quick errand, knowing that her mother and sister are home in the apartments below if Andre needs anything while she is gone. Is this considered child abuse? a. No, Andre is being supervised just not by his mother. b. No, it would be if there were not relatives on the premises c. Yes, he is not adequately being supervised so this is considered abandonment d. Yes, it is emotional abuse
Laws requiring bicyclists to wear helmets are estimated to reduce death rates due to bicycle accidents by as much as ____
A) 25% B) 50% C) 75% D) 100%
Approximately how many taste receptors are located on each taste bud?
a) 2 b) 20 c) 50 d) 500