Mary had a study about the therapeutic effects of having animals. She surveyed 2

Question

Mary had a study about the therapeutic effects of having animals. She surveyed 213 people with pets and 219 people without pets about their stress levels. 1. What kind of study is this? A. Correlation B. Real Experiment C. Naturalistic Observation D. None of the answers 2. What is the best inferential test to use? A. One-sample t-test B. Paired-samples t-test C. Independent-samples t-test D. Pearson Correlation E. ANOVA 3. What is/are the degrees of freedom for the best inferential test to use? A. (212, 217) B. (211) C. (431) D. (430)

Explanation / Answer

Mary had a study about the therapeutic effects of having animals. She surveyed 213 people with pets and 219 people without pets about their stress levels. 1. What kind of study is this? A. Correlation B. Real Experiment C. Naturalistic Observation D. None of the answers 2. What is the best inferential test to use? A. One-sample t-test B. Paired-samples t-test C. Independent-samples t-test D. Pearson Correlation E. ANOVA 3. What is/are the degrees of freedom for the best inferential test to use? A. (212, 217) B. (211) C. (431) D. (430)

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