Although the mean score on an IQ test is 100, what is the mode (most common score)?
a. About 120
b. About 95
c. About 84
d. About 105
d
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The preeminent psychosocial accomplishment between the ages of 2 and 6 is
learning when and how to make friends. learning when and how to make moral decisions. learning when and how to express emotions. learning when and how to make decisions.
A schedule of reinforcement in which a positive reinforcer is delivered at the end of a time interval in which no instances of unacceptable behavior occurred is called:
a. differential reinforcement of other behavior b. contingency planning effect c. rapid interval reinforcement d. generalization extinction
In the 1990s, Corcoran prison guards in California were accused of setting up gladiator-type fights between inmates and encouraging or allowing prisoner rapes.
Answer the following statement true (T) or false (F)
Carlos, the president of a fraternity on campus, randomly sampled 500 students, asked them if they belonged to a fraternity or sorority, and asked them about their current GPA
He discovered that the GPAs of those people in fraternities and sororities were higher than those of people who were not involved in the Greek system. Gleefully, he presented his findings to the dean, saying that being involved in a fraternity or sorority leads to higher grades. What rule of research methods is Carlos breaking? a. Correlation does not prove causation. b. College students are not representative of the whole sample of people in the world. c. His sample size of 500 is too small to make such a generalization. d. Correlational data do not provide any practical information on a topic.