hw3 - Subjects are randomly assigned to receive either the...

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Homework 3 15 points total You can use SPSS or the calculation tool on IntroStats to obtain any information (mean, SD, etc.) you may need. However, please attach any output you obtain from SPSS or write down any values you calculate from IntroStats to get full credit. Problems from Howell : Ch 14: 11; Ch 13: 6, 7; (2 points each) Problems from Williams (Introstats.net): Ch 8: 3, 4, 11 (2 points each) 1. Indicate whether each of the following is an independent or dependent samples research design. (1 point each) a. The FDA wants to know if a pill is more effective than placebo in regrowing hair.
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Unformatted text preview: Subjects are randomly assigned to receive either the placebo or the medication. b. Twins are assessed at age 20 for the number of schizophrenia-related symptoms they exhibit. c. Students in a rural school are matched with students in an urban school on age, sex, socio-economic status, and parents’ education level and the number of attention deficient disorder symptoms is assessed. 2. What are the advantages to using a dependent samples research design over an independent samples design? (1 point)...
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This note was uploaded on 07/17/2008 for the course PHYS 321 taught by Professor Zandt during the Spring '05 term at Ohio State.

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