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Suppose that everyone prefers to live in a society without poverty. Further suppose that some private charities are successful in reducing poverty. People who do not contribute to the charities
Experiment
A research method used to test hypotheses and establish cause-and-effect relationships between variables, through controlled conditions and manipulation of one or more variables.
Temporal Sequence
The chronological order in which events or actions occur, emphasizing the importance of timing in understanding cause and effect.
External Validity
The judgment that a research finding can be generalized to other people, in other settings, at other times.
Independent Variable
In an experimental setting, the variable that is manipulated or changed to examine its effect on a dependent variable.
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