Research methods - experimental methods

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8 Terms

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What is an aim?

A precise statement of why a study is taking place

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What is a hypothesis?

A clear and precise statement of the expected effect of IV or DV

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What is a directional hypothesis?

A hypothesis that states the direction of difference of the variables (higher/lower)

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What is a non-directional hypothesis?

A hypothesis that predicts a difference, but not the direction of difference of the variables

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Operationalise

Defining how variables will be measured or changed in a controlled way

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What is a null hypothesis?

A hypothesis that states findings are due to chance factors

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Independent variable

The factor that is changed by the researcher

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Dependent variable

The factor that is measured by the researcher