Martin
Long time since I did one of these (British Crime Survey 1982, Undergraduate Income and Expenditure, 1983). Click on
Help > Command Syntax Reference
. . .and then have a look at pp723 ff under FILE TYPE. I think your student needs NESTED, but there’s always a workaround.
John F Hall (Mr)
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From: SPSSX(r) Discussion [mailto:[hidden email]] On Behalf Of Martin Sherman
Sent: 17 April 2012 04:41
To: [hidden email]
Subject: Re: Nested design help
Gene: He is only looking at 4-6 battalions and each battalion has about 4-6 stations. Total number of stations will be about 16-20 and the intervention (designed to increase safety use during overhaul-masks) is at the station level. So the level of analysis will be ?? mfs
From: SPSSX(r) Discussion [[hidden email]] On Behalf Of Maguin, Eugene
Sent: Monday, April 16, 2012 10:17 PM
To: [hidden email]
Subject: Re: Nested design help
Martin,
I assume the DV is at the person level, the fire-person, rather than the station house. True? Suppose so, the persons are nested with in firehouses within battalions. Was the intervention at the person or station-house level? Does battalions matter? How many battalions were there? 1, 5, 20?
Gene Maguin
From: SPSSX(r) Discussion [hidden email] On Behalf Of Martin Sherman
Sent: Monday, April 16, 2012 9:24 PM
To: [hidden email]
Subject: Nested design help
Dear list: I have a student conducting a study for a thesis where he is looking at firemen/women’s’ intentions to use safety devices. He has a pre measure and a post measure (intervention between pre and post)-a repeated measure (within group design). However, the firemen/women are nested within battalions. Each battalion is made up of 4-6 station houses. The firemen/women work out of station houses- so it seems that should be the level of analysis. I haven’t used a nested design in many years and would appreciate any direction in regard to texts or articles that would help me figure out the design so that we can then analyze the data within spss. Advice appreciated. mfs
Martin F. Sherman, Ph.D.
Professor of Psychology
Director of Masters Education in Psychology: Thesis Track
Loyola University Maryland
Department of Psychology
222 B Beatty Hall
4501 North Charles Street
Baltimore, MD 21210
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