Factor analysis is a tool that helps researchers decide:
A) whether a psychological measure correlates well with a specific behavior
B) how many items it takes to assess a specific construct
C) whether self-report measures or behavioral measures represent a construct better
D) which items in a multiple-item measure tend to measure the same thing
D
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According to research from the 1950s, how much information can short-term memory hold?
a. Only one item at a time b. Two items at a time c. About seven items at a time d. A virtually unlimited amount of information
Which aspect of development is illustrated in the case of Ruth Hamilton?
a. Development is primarily a social construct. b. Development is primarily a result of biological processes. c. Development follows the same sequence of steps for everyone. d. Development occurs across the life span.
What is the method that involves inserting a flaccid penis into a cylinder and using a pumping action to draw blood to the penis?
a. Systematic desensitization b. Intracavernous injections c. Vacuum constriction d. Start?stop technique
Which of the following processes weakens operant behavior?
a. negative reinforcement b. extinction c. positive reinforcement d. respondent conditioning