Experimental Method

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Aim
A general statement of what the researcher intends to investigate, the purpose of the study.
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Hypothesis
A testable statement that states the relationship between the variables to be investigated. Stated at the outset of the study.
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Directional hypothesis
States the direction of the difference or relationship
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Non-directional hypothesis
Does not state the direction
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Variables
Any 'thing' that can vary or change within an investigation. Variables are generally used in experiments to determine if changes in one thing results in changes to another.
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Independent variable (IV)
The variable that is manipulated so the effect on the DV can be measured.
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Dependent variable (DV)
The variable that is measured by the researcher. Any effect on the DV should be caused by the change in the IV.
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Operationalisation
Clearly defining variables in terms on how they can be measured.
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Other cards in this set

Card 2

Front

A testable statement that states the relationship between the variables to be investigated. Stated at the outset of the study.

Back

Hypothesis

Card 3

Front

States the direction of the difference or relationship

Back

Preview of the back of card 3

Card 4

Front

Does not state the direction

Back

Preview of the back of card 4

Card 5

Front

Any 'thing' that can vary or change within an investigation. Variables are generally used in experiments to determine if changes in one thing results in changes to another.

Back

Preview of the back of card 5
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