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Research Methods - Guide to Variables, Experimental Design and Bias

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This document discusses key concepts in experimental design and variables. It defines an independent variable as one that is systematically manipulated by the researcher, and a dependent variable as one that is observed and measured to see the effects of changes in the independent variable. Extraneous variables are any other variables besides the independent variable that could influence the dependent variable. Experimental designs like independent groups, matched pairs, and repeated measures aim to minimize the effects of extraneous variables. Placebo and experimenter effects are also discussed, and double-blind procedures are proposed to control for these.

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Research Methods - Variables and Experimental Design
Variables ,[object Object]
[object Object]
Independent Variable (IV) ,[object Object]
Dependent Variable ,[object Object]
Extraneous variables ,[object Object]
Extraneous ,[object Object],[object Object],[object Object]
Participant Variables ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Experimenter Variables ,[object Object],[object Object],[object Object]
Uncontrolled ,[object Object],[object Object],[object Object]
Experimental Design ,[object Object],[object Object],[object Object],[object Object]
Independent Groups Design ,[object Object],[object Object]
 
Matched pairs design ,[object Object],[object Object]
 
Repeated measures design ,[object Object],[object Object]
 
[object Object]
Placebo Effect ,[object Object]
Single Blind Procedure ,[object Object],[object Object]
Experimenter Effect ,[object Object],[object Object]
DOUBLE BLIND PROCEDURE ,[object Object],[object Object],[object Object]

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