The absence of a mathematical relationship between two measures is referred to as a
a. zero correlation.
b. null hypothesis.
c. variable relationship.
d. negative correlation.
A
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Which of these argues against the idea that we read a word one letter at a time? a. A blurry letter can look like either E or F, depending on the surrounding letters. b. It is easier to read a word than to say the color of its ink
c. We read short, familiar words faster than long, unfamiliar words. d. We read about 11 characters during a fixation, and none during a saccade.
In a between-subjects design, holding constant a participant characteristic, such as age or gender, is one way to ____. a. reduce the variance within treatments b. maximize the variance within treatments c. increase individual differences
d. increase sample size
Explain how it is possible for alcohol, a depressant drug, to energize a person's behavior.
What will be an ideal response?
Procedures used to measure and evaluate personality traits, emotional states, aptitudes, and values are called
a. laboratory observations. b. psychological tests. c. significance tests. d. meta-analyses.