Variables and
Hypotheses
Variables and Hypotheses
What is a Variable?
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Quantitative vs. Categorical Variables
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Quantitative vs. Categorical Variables (Figure 3.1)
Independent vs. Dependent Variables
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The Relationship between
Independent and Dependent
Variables
Other Types of Variables
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Other Types of Variables
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Examples of Extraneous Variables (Figure 3.3)
What is a Hypothesis?
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Hypotheses from a Single Research Question
(Figure 3.4)
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Directional vs. NonNon-directional
Hypotheses
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Directional vs. NonNon-Directional
Hypotheses (Figure 3.5)
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