In the concrete operational stage, children are able to use abstract principles and consider hypothetical possibilities
Indicate whether the statement is true or false
F
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One formula for the correlation between a continuous variable and an artificially dichotomized variable is
a. Spearman's rank order formula. b. the point biserial correlation. c. the phi coefficient. d. the biserial correlation.
The effects of endorphins are similar to the effects of:
A. dopamine B. caffeine C. nicotine D. morphine
Statistical determinism refers to which of the following?
A. the idea that statistical findings are most conclusive B. the perspective that researchers can predict the likelihood of specific actions C. deciding the correct statistical test for studies of self-actualization D. people are not really free to make choices because they do not know the most likely causes of their choice.
The smallest units of sound that are found in a language are called ____.?
a. ?babbles b. ?telegraphic speech c. ?morphemes d. ?phonemes