Which of the following confounds is most likely in research that studies children over time?
a. regression to the mean
b. selection bias
c. history
d. pretest sensitization
e. maturation
Question 2
Which of the following is not a criterion for inferring causality?
a. the cause and the effect covary
b. alternative explanations of the results are eliminated
c. the causal variable precedes the hypothesized effect
d. participants must be randomly assigned to conditions
e. a systematic relationship is observed between the cause and effect
This portrait of Thomas Jefferson is considered an accurate likeness, painted when he was thirty-sev
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Healthier choices can be made when time is taken to read a nutrition label.
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