Summarize what we can learn about a distribution from measures of variability.
What will be an ideal response?
Variability is simply a description of how different the scores are from one another in the distribution. If something varies, it means that it differs from other things in some way, such that high variability in a distribution means that the scores are widely spread out across the scale. Low variability means the opposite--that the scores are very similar and clustered around a middle value.
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After getting robbed at gunpoint, Jackie is experiencing extreme distress and fear, and she is concerned that she is developing panic disorder. Her therapist is likely to diagnose her with a(n) ________ disorder.
a. externalizing b. internalizing c. obsessive-compulsive d. mood
Which of the following is NOT a reason people behave altruistically?
a. The belief that it is the morally correct thing to do. b. To help make decisions rapidly. c. Our brain has been preset for kindness. d. The hope that they will get something in return.