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A statement outlining the purpose of the investigation, describing the goals of the experiment and how they relate to the research question.
A testable prediction of the relationship between two or more variables, indicating the expected outcome based on theory or model.
The variable that is manipulated in an experiment, viewed as the cause.
The variable that is measured in an experiment, viewed as the effect.
An experimental investigation that tests the relationship between the IV and DV while controlling all other variables.
Variables outside the IV and DV that can affect the results or validity of the study.
A general explanation of a set of observations or concepts about behavior and/or mental processes.
Model
A representation that focuses on how behaviors or processes could, should, or do occur, often used for complex ideas.
Variables that are kept constant to ensure that the results of the experiment are due to the manipulation of the independent variable.
