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Research Validity: Internal, Construct, External, and Statistical Validity, Slides of Research Methodology

Aligarh Muslim University Research Methodology

An overview of different types of research validity, including internal validity, construct validity, external validity, and statistical validity. It discusses various threats to each type of validity, such as history, maturation, testing, regression, subject effects, and experimenter bias. Understanding these concepts is crucial for designing and interpreting research studies.

Typology: Slides

2011/2012

Uploaded on 12/11/2012

saikumar 🇮🇳

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Research Validity

Validity

Research Validity

•Conclusions are correct.

1.Internal Validity

2.Construct Validity

3.External Validity

4.Statistical Validity

Internal Validity

•Changes in DV caused by the IV, not

other variables

•Confounds threaten internal validity

•Importance of identifying, controlling

confounds

History

Maturation

Testing

Regression

Selection

Mortality/Subject Attrition

Threats to Internal Validity

Regression Toward the Mean

•Also scores contain some random error

•Extreme score includes extreme error

•Retest, less error, score closer to the group

mean.

Construct Validity

•Results support the theoretical basis of

•No alternative explanations

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