Which of the following was NOT recommended by the text as a way to enhance the external
validity of experiments?
a. conduct laboratory experiments rather than field experiments
b. conduct field experiments rather than laboratory experiments
c. replicate findings
d. use complex experimental designs to reduce the threat of multiple?treatment
interference
A
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____ is the extent to which an instrument has a clear relationship to the thing we hope to measure by using it
a. Predictive validity b. Face validity c. Concurrent validity
How did Rawls apply the metaphor of a "Veil of Ignorance"?
A) To describe Americans' lack of understanding of the poor B) To help people view justice issues without taking their own circumstances into account C) To examine the hypothetical consequences of allocation rules D) To both help people view justice issues without taking their own circumstancesinto account and to examine the hypothetical consequences of allocation rules
Rocky Rococo found a correlation of .001 between the amount of pizza a person consumed in a year and the number of Italian phrases the person could correctly translate into English. From this, he should conclude
A) to accept the null hypothesis. B) to reject the null hypothesis. C) there is a strong positive relationship between the variables. D) there is a strong negative relationship between the variables. E) B and D only.
The standard deviation is a measure of ______.
A. correlation B. dependency C. relationship D. variance