Regarding statistics, which of the following statements is FALSE?
a. Statistics help us draw valid conclusions about what we have observed.
b. Statistics bring greater clarity and precision to psychological thought and research.
c. There are two major types of statistics: frequency and graphical.
d. Psychologists use statistics because they often have to base decisions on a limited amount of data.
ANSWER: c
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An explanation for why Western Caucasians tend to focus on eyes when looking at faces is that:
A. there was evolutionary pressure to make that adaptation B. Western culture considers eye contact offensive C. it is a biological predisposition D. Western culture places value on eye contact
_____ refers to reinforcing only some of the occurrences of a target behavior
a. Reinforcer unreliability b. Fractional reinforcement c. An individualized contingency d. Intermittent reinforcement
If Ethan experiences a big jolt of cortisol due to a stressor late in the evening, how will his sleep likely be affected?
a. ?He will sleep heavily and have difficulty waking up. b. ?He likely will have difficulty falling asleep and may wake frequently during the night. c. ?He will sleep lightly but soundly. d. ?He will fall asleep promptly but may wake frequently during the night.
What is the greatest similarity between the theories of Lawrence Kohlberg and Erik Erikson?
a) both theories suggest that there are specific stages that must be encountered in a specific order b) both theories suggest that personality development is complete by the end of childhood c) both theories suggest that there are specific neurological bases for development d) both theories suggest that puberty is much easier to endure if the physical changes associated with the early teenage years do not occur "too" early