A correlation is used to:
A. explain how one variable causes another variable
B. show the effect that one variable has on another variable
C. describe a relationship between two or more variables
D. prove theories
Answer: C
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In a signal detection task, Jenny tends to be a "yea-sayer." She will have ________
a. more misses than "naysayers." b. more correct rejections than "naysayers." c. more false alarms than "naysayers." d. fewer hits than "naysayers."
Forty year old Roger insists that he never dreams. Research suggests that he probably:
a. experiences very little REM sleep. b. would report a vivid dream if he were awakened during REM sleep. c. dreams during Stage 4 rather than during REM sleep. d. experiences more Stage 4 sleep than most people. e. passes through the sleep cycle much more rapidly than most people.
Words can be rearranged to form an infinite variety of meaningful sentences. This represents the characteristic of language called
a. phonology. b. grammar. c. productivity. d. morphology.
When software is not available, ______ is used to categorize the p value associated with tobs.
a. the z-table b. t-table c. the ? level d. R