Hamer and colleagues discovered that homosexuality may be transmitted by genes on the __________ chromosome, which is passed from mother to son, not father to son.
A. X
B. Y
C. XX
D. YY
Answer: A
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Kyle plants a group of seeds in a pot of enriched soil, and provides all the seeds with identical temperature, lighting, and water. When his plants are mature, he notices that they are quite different in height. Which of the following is the best conclusion Kyle could draw from his observations?
a. The differences in the height of his plants are due to equal contributions of environmental and genetic variables. b. Holding the plants' environment constant has magnified the influence of genetic differences on the height of the plants. c. Genetic variables are more influential than environmental variables in determining the height of Kyle's plants. d. Kyle lacks sufficient information to draw any scientific conclusions from his observations.
Shelby is concerned that she is spending too much of her day worrying about things that are out of her control. She often feels tense, even in situations where there is nothing that is directly threatening her safety
If you were a clinical psychologist, you would be trying to determine if Shelby meets the criteria for A) agoraphobia. B) generalized anxiety disorder. C) major depression. D) social phobia.
"Don't worry about the hidden meanings behind your psychological problems. Just change the way you think and act about them, and you'll get better." This statement best summarizes which therapeutic approach?
A. Gestalt B. Humanistic C. Psychodynamic D. Cognitive behavior
The taking in and assessment of information about other people, so as to form first impressions and to try and understand their behavior is known as ______
a. a response characteristic c. the bystander effect b. selective perception d. social cognition