Examlex
Why might two presidential candidates appear to have very similar opinions during an election year even if they come from different parties?
Experimental Data
Data obtained through manipulation and controlled testing in an experiment, designed to discover causal relationships between variables.
Observational Data
Information collected through observing subjects in their natural environment without manipulating the study environment.
Direct Observation
A method of collecting data by watching subjects in their natural environment without manipulation or interference.
Experimental Designs
Experimental designs refer to the framework or structure of a study that enables the researcher to control and manipulate variables to establish cause-and-effect relationships.
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