explain how experimental design, analysis of variance, and chi square test are used in research.

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explain how experimental design, analysis of variance,and chi square test are used in research.

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Experimentaldesign are used in researchExperimental research designs are the primary approachused to investigate causal causeeffect relationships and tostudy the relationship between one variable and another This is atraditional type of research that is quantitative in nature Inshort researchers use experimental research to compare two or moregroups on one or more measures In these designs one variable ismanipulated to see if it has an effect on the other variableExperimental designs are used in this way to answer hypotheses Ahypothesis is a testable statement that is formulated by theresearcher to address a specific question The researcher designsan experimental study which will then support or disprove thehypothesisTo further the discussion of experimental research infuture modules it is important to understand the basic terminologyrelated to experimental research Following is a list of keyterminologyIndependent Variable This is the variable that willbe manipulated the cause or treatment variable This variablemay be an activity or characteristic that the researcher believeswill make a differenceDependent Variable This variable is the effect oroutcome of manipulating the independent variable The onlyconstraint is that the outcome must be measurableExperimental Group The group that receives thetreatment being investigatedControl Group The group that remains the same inorder to have something to compare the experimental groupagainstExperimental research is based on a methodology thatmeets three criteria that are important if the results are to bemeaningful See Answer

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explain how experimental design, analysis of variance, and chi square test are used in research.

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