If John has schizophrenia, how likely is it that his dizygotic twin brother will also have schizophrenia?
a. John's brother will also have schizophrenia.
b. There is a 38% probability that John's brother will have schizophrenia.
c. There is an 18% probability that John's brother will have schizophrenia.
d. John's brother will not have schizophrenia.
Answer: C
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Calvin dislikes his job. While at work, he often feels frustrated and upset. Calvin's tendency to experience these and similar emotions is an example of
A) cynicism. B) an external locus of control. C) negative affect. D) interpersonal violence.
When students begin to read through their introductory psychology textbook, they are often surprised to learn that
A) commonsense explanations abound in the field of psychology. Incorrect. Commonsense explanations are frequently accurate, but they are not consistent with the science of psychology unless they have been appropriately researched. B) many of their beliefs about the causes of thoughts and behaviors are incorrect. Correct. Popular psychology has led many people to have incorrect impressions about many psychological phenomena. C) psychologists do not study people's everyday behaviors. D) psychology is a unique field of study separate from philosophy and biology.