The Experimental Method
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Last updated 9:41 AM on 9/27/23
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11 Terms
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Non experimental research methods
Research methods that do not involve manipulating variables or establishing cause and effect relationships.
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Independent Variable (IV)
The condition or factor being manipulated in an experiment.
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Dependent Variable (DV)
The variable being measured or observed in an experiment, which is affected by the independent variable.
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Operationalization
The process of defining and specifying the variables in a study to ensure replicability.
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Hypothesis
A statement predicting the potential results of a study.
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Experimental/ Alternative Hypothesis
An educated guess based on research, specifying the relationship between the independent and dependent variables.
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Directional/ One tailed Hypothesis
A hypothesis that predicts the direction of the expected results.
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Non Directional/ Two Tailed Hypothesis
A hypothesis that predicts an effect without specifying the direction of the expected results.
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Null Hypothesis
A hypothesis that states there will be no effect or relationship between variables.
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Cause - Effect Relationship
The establishment of a relationship between the independent variable and the dependent variable to determine if the IV has an effect on the DV.
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Examples of non-experimental research methods
Interview/ Questionnaire
Observation
Case study
Correlations
Content analysis
Flashcards (110)