Which of the following believe that genetic factors play a role in happiness?
a. Lykken c. Ekman
b. Maslow d. Izard
A
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A particular concern about the usefulness of single-subject designs is ____
a. researcher bias b. whether they provide information about cause and effect c. their internal validity d. their external validity
What kind of drug is marijuana usually classified as?
a. depressant c. hallucinogen b. stimulant d. opioid
According to Cook and Campbell (1979), what are the three types of evidence used to identify the causes of a behavior?
A. alternative explanations, positive linear relationship, and construct validity B. internal consistency reliability, item-total correlation, and covariation of cause and effect C. temporal precedence, covariation of cause and effect, and alternative explanations D. facilitated communication, alternate-forms reliability, and falsifiability
While an increase in task proficiency may occur due to a _______________, a
decrease in task proficiency may occur due to a _______________. A) fatigue effect : practice effect B) Latin-square effect : practice effect C) practice effect : randomization effect D) practice effect : fatigue effect