10) You run Kaplan\'s SAT prep department. Two companies, Omnicorp and Thetatech
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10) You run Kaplan's SAT prep department. Two companies, Omnicorp and Thetatech, have approached you with proposals for new test-prep materials. Both have (Experimental) with using existing materials (Control). What you are doing now (the Control) produces gains, on average, of 10 points on the SAT. Omnicorp and done randomized studies where they compared using their materials hetatech both claim they can do better. The results of their trials are summarized below. You can invest in only one of these materials. Which would you choose and why? What are the strengths and weaknesses-of the two-proposals? Discuss Type.1 and Type 2 Omnicorp's Proposal Thetatech's Proposal 10 15 Mean Control Gain = 10 Mean Experimental Gain = 15 p .03 10 30 Mean Control Gain = 10 Mean Experimental Gain = 30 p=.10Explanation / Answer
10) You run Kaplan's SAT prep department. Two companies, Omnicorp and Thetatech, have approached you with proposals for new test-prep materials. Both have (Experimental) with using existing materials (Control). What you are doing now (the Control) produces gains, on average, of 10 points on the SAT. Omnicorp and done randomized studies where they compared using their materials hetatech both claim they can do better. The results of their trials are summarized below. You can invest in only one of these materials. Which would you choose and why? What are the strengths and weaknesses-of the two-proposals? Discuss Type.1 and Type 2 Omnicorp's Proposal Thetatech's Proposal 10 15 Mean Control Gain = 10 Mean Experimental Gain = 15 p .03 10 30 Mean Control Gain = 10 Mean Experimental Gain = 30 p=.10
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