Which of the following statements about random assignment is NOT true:
a. Random assignment is important for inferring cause and effect.
b. Random assignment ensures that participants have an equal chance of being assigned to any group in the experiment.
c. Random assignment is most relevant for ensuring external validity.
d. Random assignment ensures that each group contains the same type of participants.
Answer: c
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Which of the following summarizes the research evaluating psychological and pharmacological treatments for depression?
a. Antidepressant medication is the most effective approach. b. Cognitive therapy is the most effective approach. c. Antidepressants and cognitive therapy are both effective forms of treatment. d. Antidepressants work better on more severe depression and cognitive therapy works better with milder depression.
Austin Powers travels from California to New York, chasing Dr. Evil across the country. Austin then experiences fatigue, irritability, inattention, and sleeping problems due to the disruption of his ____, which causes____
a. ?sleep stages; narcolepsy b. ?lucid dreaming; jet lag c. ?circadian rhythms; sleep apnea d. ?circadian rhythms; jet lag
Avoidance motivation MOST closely corresponds to:
A) conscientiousness. B) rational coping. C) the need for achievement. D) the behavioural inhibition system.
The split brain operation saves the life of the patient, but usually results in major deficits, such as the loss of language abilities
a. True b. False Indicate whether the statement is true or false