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14 Cards in this Set
- Front
- Back
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Variable |
A concept or characterisitc that involves variations.
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Conceptual definition
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Uses words or concepts.
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Operational definition |
Defines a concept by how it is measured or manipulated.
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Independent variable
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Precedes, influences, or predicts the dependent variable.
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Dependent variable
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Affected or predicted by the independent variable.
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Extraneous variable
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Source of error affecting the results.
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Confounding variable
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Varies systematically with the independent variable.
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Continuous variable
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Infinite values within a range.
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Categorical variable
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Groups defined by specific characteristics.
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Hypotheses
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Tentative predictions or expectations.
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Research hypothesis
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Statement of expected results.
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Statistical hypothesis
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Statistical statement of the possible results.
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Null hypothesis
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Statistical statement that no significant difference or relationship exists.
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Central phenomenon |
Issue or process studied. |
