PSY393 Design-a-Study for Unit 2 exam (non-experimental design) 1. Design a survey study to test the following headline (27 points) The more pets you have, the more likely you are to sleep poorly. a. How many variables are included in this claim? What are they? (2 points) b. This a frequency or association claim? How do you know? (2 points) c. Is this claim directional or non-directional? What clue word(s) (or lack thereof) suggest this? (2 points) Variable 1: Based on the above claim, should your study design compare groups? Explain. (1 point) Provide a detailed operational definition for how you would measure the variable of pet ownership - be specific! (5 points) Variable 2: What is the scale of measurement for this variable (categorical, ranked, interval/ratio)? Explain. (2 points) Provide a detailed operational definition for how you would measure the variable of sleep quality-be specific! (5 points) Statistical test: IF NO What is the scale of measurement for this variable (categorical, ranked, interval/ratio)? Explain. (2 points) Are groups being compared? Explain how you know this. (1 point) How many variables are being examined? (1 point) What scale of measurement are all of the variables? Explain. (3 points) **1) If your IV is categorical but your DV is not, go to the "IF YES" section below. 2) If your first variable is not categorical, then both variables MUST be the SAME scale of measurement- if they aren't, go back and change your answers above.** IF YES What is the proper statistical test to be used to analyze the data? (1 point) How many levels does the IV have? (1 point) Do participants experience all levels of the IV (within-subjects) or only one level (independent samples)? Explain. (2 points) What is the scale of measurement of the DV? Explain. (2 points) What is the proper statistical test to be used to analyze the data? (1 point)