For a single-sample t test with 10 participants, the degrees of freedom are
a. 10
b. 9.
c. 8.
d. unable to be determined.
b
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Pedro is 54 years old and has been experiencing symptoms of the male climacteric. His physician discovers Pedro has a low level of testosterone. For Pedro, his physician may recommend __________.
A. rest and reduced stress levels B. exercise and diet C. Cialis or Levitra D. testosterone replacement therapy
Name the General Principle that instructs psychologists to strive to benefit those with whom they work, and to do no harm to those with whom they work.
What will be an ideal response?
Fred is afraid of spiders. He won't even watch a nature show on TV about them. When he sees a picture of a spider, he has a panic attack, but when he avoids looking at the image, his panic goes away. Fred's avoidance of spiders is being __________
a) extinguished, because he feels anxious after doing so. b) recovered spontaneously, because he will never get better. c) positively reinforced, because he is rewarded by his anxiety going down. d) negatively reinforced, because he is rewarded by his anxiety going down.
A ______ replication improves external validity of a single-subject design by repeating the experiment in different settings, using different providers and other related behaviors.
A. direct B. systematic C. clinical D. environmental