The difference between natural experiments and person-by-treatment quasi-experiments is that natural experiments:

A) are conducted in the laboratory
B) do not make use of random assignment
C) allow researcher to use unbiased statistics to analyze their findings
D) all of these are true


B

Psychology

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When Brad shows up for his college classes, he is rarely prepared. He does not study or do his assignment, frequently forgets to bring a notebook or something to write with, and often falls asleep during the class. He is often late to class and skips class just as frequently. When his professor asks him what he wants to do with his life, he just shrugs and says, "Whatever comes along.". Brad

would probably be ____ factor of the Big Five personality trait theory. a. low on the openness to experience b. high on the neuroticism c. high on the extraversion d. low on the conscientiousness

Psychology

Some psychologists were reluctant to make premenstrual dysphoric disorder a formal diagnosis because

a. It had too much overlap with other mood disorders' diagnostic criteria b. It is so rare that a formal diagnostic category is unjustified c. It is strictly a consequence of hormonal imbalances and is therefore not a psychological disorder d. It has the potential to be stigmatizing for women.

Psychology

Increased dopamine activity is associated with symptoms similar to those seen in ____, whereas reduced dopamine activity produces symptoms similar to those seen in ____

a. Alzheimer's disease; Parkinson's disease b. Parkinson's disease; schizophrenia c. schizophrenia; Alzheimer's disease d. schizophrenia; Parkinson's disease

Psychology

One of the ways we can avoid fixations in problem solving would be to

a. visualize the solution rather than physically moving items around. b. physically interact with aspects of the problem rather than deal with them intellectually. c. focus on the first solution that comes to mind. d. take a more flexible approach in categorizing the world.

Psychology