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Experimental Design - Coggle Diagram
Experimental Design
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Variables
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Dependent
The dependent variable is the subject of investigation. It is the variable that will be measured and shows the effect of the IV
Controlled
Variables that are being controlled in the experiment in order to ensure extraneous variable's don't interfere with data.
Groups
Random allocation
As the IV is manipulated and not preexisting participants are randomly allocated to groups to minimize the affect of participant variables
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Validity
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Internal
Internal validity is the certainty that the IV caused a change in DV, and it was not another factor in play
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