With simple probability sampling, all individuals in a population have an equal probability of being selected.
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External validity is the extent to which obtained results in a study can be generalized to other settings.
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Which of the following is not an advantage to a between subjects design?
a. no attrition
b. little fatigue
c. increased dependent measures
d. increased statistical variance
Janiszewski and Uy (2008) conducted an experiment in which they had 43 participants read 10 scenarios. In this study, the researchers wanted to determine the impact of the scenario type on the anchoring and adjusting of participants.
Anchoring and adjustment occurs when people use a starting point (anchor) as a basis to make judgments about a given scenario (adjustment). What is the independent variable in this study?
a. the scenarios
b. the judgments
c. anchoring and adjustments
d. the starting point
The four types of probability sampling procedures include: simple, stratified, cluster, and quota.
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