Dallas is a 10-year-old boy who has a mental age of 10 years. His IQ would be
a. 80.
b. 100.
c. 115.
d. 130.
e. 1000.
b. 100.
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Often, memories appear to be available but simply cannot be accessed. This is known as
a. the tip-of-the-tongue state. b. sensory memory failure. c. engram decay. d. the savings score.
According to researchers Christakis and Fowler, which of the following is often a barrier to changing unhealthy behaviors?
a. social factors b. chronic infectious diseases c. a lack of money d. a lack of knowledge
If people who drop out of study are systematically different from those who stay, we have which threat to validity?
a. selection b. mortality c. regression to the mean d. maturation
A liberal group is discussing a possible tax increase to fund Medicare. When the group has finished their discussion, their views are even more liberal than they were when the group started. This is an example of:
a. the fundamental attribution error c. the diffusion of responsibility b. group polarization d. social comparison theory