Which of the following is an advantage of naturalistic observation over controlled observation?
a. less artificiality
b. greater ability of the researcher to manipulate variables
c. greater internal validity
d. greater compliance with the APA ethical code
A
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The principle of parsimony means the simplest answer that explains the least evidence.
Answer the following statement true (T) or false (F)
The FDA was given additional authority over dietary supplements in 2006 to set up
A. random safety checks. B. requirements for effectiveness. C. limits on television advertising. D. an "Adverse Events Reporting" process.
When African Americans and White Americans of the same age suffer from similar illness __________
a) the mortality rate of African Americans is higher. b) the mortality rate of White Americans is higher. c) African Americans are less likely to seek treatment. d) White Americans tend to respond faster to most medications.
Among identical twins, the concordance rate for schizophrenia is about ___ %; among fraternal twins it is about ___ %
a. 17, 48 b. .48, .17 c. 48, 17 d. .17, .48