What is meant by Type I and Type II errors in research? Why are these important to identify? Name one thing that can be done to improve internal validity of a study.

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Skills to utilize to critique researches evidence
APA Format and use of Journal articles are mandatory.This is a two different papers within the assignment.
What is meant by Type I and Type II errors in research? Why are these important to identify? Name one thing that can be done to improve internal validity of a study.(500+ words APA style at least 1 journal article)
An example of a multivariate procedure is analysis of covariance (ANCOVA). Explain what is meant by the following statement: ANCOVA offers post hoc statistical control. Provide an example.(500+ words APA style at least 1 journal article)

 

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