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PSYCH 540 Week 3 DQ 2

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PSYCH 540 Week 3 DQ 2 -

1. What struck you about the role of data analysis in studies as described in our text?  Any comments on the differences and what are the similarities between data analysis in the basic designs (random groups designs and repeated measures designs) versus complex designs? Can you think of imaginary studies you might design to exemplify these differences?

2. This question is a good one for making sure everyone will have a good understanding of validity in psychological research. What do you see as the relationship between external validity and internal validity?  What steps can a researcher take to strengthen the validity of these different types of studies, a random groups design study, a repeated measures design study, and a complex design? What threats to the validity of these studies’ results must be considered by the researcher?