According to the article Deep Roots about fetal precursors of temperament, the amount of variance in one variable which is accounted for by another variable can be calculated:
(a) because it is the same as the correlation coefficient
(b) by squaring the correlation coefficient
(c) by subtracting the correlation coefficient from zero
(d) by multiplying the correlation coefficient by 100
B
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We are interested in what the text calls "probable limits" because
a. we want to know whether a piece of data is unusual. b. we want to have a good idea what kinds of values to expect. c. we might want to know whether values below some specific value are improbable. d. all of the above
Parents and peers are always competing influences on adolescents
Indicate whether the statement is true or false
Positive relationships provide pleasure, advice, and support among other benefits
Indicate whether the statement is true or false
In a study of the relationship between participant age and memory, the gender of the participant would represent a(n) _____ variable
a. outcome b. predictor c. spurious d. extraneous