_______________ is the extent to which the results of a study can be generalized across populations, times, and settings, is the touchstone for natural and social scientists alike.
a. External validity
b. External reliability
c. Internal validity
d. Internal reliability
a. External validity
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Politics in Russia is largely about:
a. struggles between regions and the state over regions' rights. b. struggles among powerful state officials allied with business groups for control of state offices. c. struggles between Russia's new urban middle class and its large number of pensioners. d. struggles between ethnic minorities and the ethnic Russian majority.
When eleven communists were convicted under the Smith Act of 1940, the Supreme Court
What will be an ideal response?
Identify two factors responsible for the declining share of employment in the federal government.
What will be an ideal response?
Which confounding factor is most likely to occur when participants are selected because their pretest measures were unusually high?
A) regression to the mean B) testing C) attrition D) selection