Examlex
In a sample of 200 individuals, 130 indicated they are Democrats.Develop a 95% confidence interval for the proportion of Democrats in the population.
Validity
The degree to which a theory, finding, or measurement is grounded in reality and accurately reflects the true state of affairs.
Independent Variable
The variable in an experiment that is manipulated or changed to observe its effect on the dependent variable.
Research Assistant
A person who supports academic or professional research efforts, typically conducting experiments, data collection, or analysis.
Self-reported Arousal
A subjective measure of one's own emotional and physiological state of alertness, excitement, or activation, often collected via questionnaires or interviews.
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