Bob is a participant in a study investigating the effectiveness of Ritalin in treating ADHD. Bob has ADHD, but is in a group that received a placebo (sugar pills) instead of Ritalin. Bob is in the _____ group

a) experimental
b) random
c) control
d) observational


Answer: c

Psychology

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Dyadic friendships become a more important source of social support in adolescence than earlier childhood

a. True b. False Indicate whether the statement is true or false

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Individuals who move against people would be likely to endorse the slogan:

a. Never give a sucker an even break! b. Love makes the world go 'round! c. Love conquers all! d. Live free or die!

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The Central Limit Theorem states that any distribution of sample means will approach a normal distribution.

Answer the following statement true (T) or false (F)

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If people are assigned to treatment conditions on the basis of some personality characteristic they have (e.g., high anxiety vs. low anxiety), the experiment is not a true experiment but utilizes the _____ design

a. experimental c. static group comparison b. posttest only d. correlational

Psychology