Drugs that ______ serotonin levels ______ alcohol craving and consumption.
A. increase; increase
B. decrease; decrease
C. decrease; have no effect on
D. increase; decrease
Answer: D
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Galton proposed that measurement of human traits could be defined and summarized by two numbers, which are ____
a. the mean and the median b. the variance and the standard deviation c. the median and the mode d. the mean and the standard deviation e. the mean and the mode
Victims of child abuse tend to
a. display great empathy for others. b. have higher rates of depression. c. be insensitive to anger cues in others. d. try to protect other individuals who are crying.
Explain how the purpose of the correlational research strategy differs from the experimental research strategy
What will be an ideal response?
Professor Haskins conducted a study which showed that participants remembered new material better when they learned the material and were tested on the material in the same setting. Professor Haskins has also noticed that students tend to do better on term exams when they take the exams in the same room as the one in which the class normally met. This suggests that the results Professor Haskins
obtained in the memory study: a. are internally valid b. are operationally defined c. will not generalize to everyday settings d. have external validity