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How do artifacts and confounds relate to internal validity

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Reference no: EM131077603

Question 1. a. Explain what is meant by the terms ‘artifact', ‘confound', and ‘noise'.

b. How do artifacts and confounds relate to internal validity and/or external validity?

c. How do artifacts and confounds relate to random selection and/or random assignment?

d. The act of studying people may change them. Briefly describe three safeguards researchers can take to prevent these effects from introducing confounds or artifacts into psychological research.

Reference no: EM131077603

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