Pick articles that relate to MMA and Footballs effect(brain damage/concussions) on early
adulthood to late adulthood.
Select a peer-reviewed, experimental research study that exemplifies a two-group design (two independent
groups design, two matched groups design, or repeated measures design) and a factorial design (use
keywords method, results, and discussion in your Boolean search). These studies can be found using tools
such as the GCU Library and Google Scholar.
Write a 500-750-word paper in which you:
1.)Compare the two research designs
2.) Identify the independent variable(s), dependent variable, and any possible extraneous variable
3.) Identify main effects and interactions for the factorial design
4.) Explain if the study has a random sample and/or random assignment? Were there other limitations that
were noticed?
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