1.a. A study investigated the effect of malnutrition on morbidity after major GI surgery for benign

disease. For 17 malnourished patients, the morbidity was 50% for 15 well-nourished patients the

morbidity was 21%.

If someone criticized the findings saying that there were only 32 subjects selected, how

would you respond?

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1.b. Using data collected by the National Institutes of Mental Health, the number of hospitalizations for

aggressive behavior incidents in children and the amount of time playing violent video games was

collected. A Pearson correlation coefficient was obtained and found to be r = .779 and P <

.05.How would you interpret the findings?

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