Four participants sign up for an experiment examining the effects of alcohol on sociability. One participant is given an alcoholic beverage to drink and is told that it is alcohol. A second participant is given an alcoholic beverage to drink but is told that it is nonalcoholic. A third participant drinks a nonalcoholic beverage but is told that it contains alcohol, and a fourth participant is
given a nonalcoholic beverage and is told that it is nonalcoholic. This illustrates a _____ placebo design.
A) pre-post
B) deceptive
C) double-blind
D) balanced
D) balanced
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Most left-handers have left-hemisphere dominance for speech
a. True b. False Indicate whether the statement is true or false
If you expect to hear a sound, you may have a better ability to hear it. This would be an example of how ____ can change
a. ?Weber’s law b. ?the just noticeable difference c. ?the absolute threshold d. ?the law of prägnanz
If a study showed that a particular treatment produced an improvement in 55% of the participants, while 52% of the control participants improved spontaneously, the treatment
a. Would undoubtedly be statistically significant b. Would lack clinical significance c. Would have clinical significance, but not statistical significance d. Is worth adopting.
Deficiencies in __________ have been linked to anxiety, mood disorders, eating disorders, and insomnia
a. norepinephrine c. serotonin b. acetylcholine d. dopamine