A Pearson correlation of r = -0.25 indicates that a graph of the data would show points ____
a. clustered close to a line that slopes up to the right
b. clustered close to a line that slopes down to the right
c. widely scattered around a line that slopes up to the right
d. widely scattered around a line that slopes down to the right
d
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A psychometrist constructs a new personality test. He finds that the test scores do not vary from one administration of the test to the next. He also finds that the test does not adequately measure the global concept of personality. We can categorize the test as being ________ in reliability and ________ in validity.
a) high; low b) high; high c) low; high d) low; low
When asked to imagine someone who fits the description "construction worker," many people picture a man in a hard hat and work clothes. Such mental images of a group of people are examples of
a. prejudices. b. stereotypes. c. evaluations. d. scripts.