The Pearson correlation coefficient is used _____
a. to quantify the relationship between two variables in a bivariate distribution
b. to quantify the relationship between two variables in a one-variable distribution
c. when pairs of scores achieve ordinal measurement
d. to test a null hypothesis about the means in a bivariate distribution
A
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The duration of short-term memory is about ____
a. ?7 ± 2 seconds b. ?2 hours c. ?2 seconds d. ?30 seconds
George just bought a new laptop computer after years of using a personal computer with a larger keyboard. He is having difficulty in recalling and striking the correct keys on the laptop; it seems the keyboard arrangement of the PC is easier to recall. It appears George suffers from
a. repression. c. retrograde amnesia. b. proactive interference. d. retroactive interference.
Which student is taking psychology because they are intrinsically motivated to do so?
a) Alfred is taking the course because he is fascinated with the complex interaction of personality and behavior. b) Kim is taking the class to fulfill a core course requirement. c) Maggie is taking the class because it fits into her schedule. d) Jamie is taking the course because he thinks it will raise his grade point average.
The signs of ADHD usually begin before the age of
A) 2. B) 5. C) 7. D) 12.