A high correlation coefficient (either positive or negative) indicates that
a. there is a high level of consistency between the two variables.
b. the scores on the two variables are nearly identical.
c. a change in one variable causes a change in the second variable.
d. a third factor or variable is always responsible for the relationship between the two variables.
A
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Suzy is having her brain scanned. She is asked to imagine butterflies. The doctor is puzzled because the area of the brain expected to be very active is not. Instead, her frontal lobe is very active. What was Suzy most likely experiencing to cause this unexpected finding?
A. Suzy is hearing the soft humming sound of the scanning equipment. B. She is planning her big party at her apartment this weekend. C. She feels the texture of the sweater she is wearing. D. She is trying to understand what the doctor is telling her.
A case study is a set of assumptions, principles, and methods that help a researcher understand the nature of the phenomenon being studied
a. True b. False Indicate whether the statement is true or false
Which of the following statements about REM sleep is true?
A) REM sleep is vital for growth of the central nervous system. B) During REM sleep, the body is almost motionless. C) REM sleep accounts for 20 percent of a newborn baby's sleep time. D) During REM sleep, the heart rate, breathing, and brain-wave activity are slow and even.
When there is no other information available, it is ________ reasonable to rely on the representativeness heuristic to make a quick judgment
a. not b. perfectly c. somewhat d. never