advanced methods and models in behavioral research – 2009/2010 advanced methods and models in...
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Advanced Methods and Models in Behavioral Research – 2009/2010
Advanced Methods and Models in Behavioral Research
ToDo:Studyweb!
Enroll in 0a611
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Advanced Methods and Models in Behavioral Research – 2009/2010
The methods package
• MMBR (6 ects)– Graziano: algemeen: vraagstelling, betrouwbaarheid,
validiteit etc– Field: SPSS: factor analyse, multiple regressie, ANcOVA,
sample size etc
• AMMBR (3 ects) - Field (deels): logistische regressie - literatuur via website:
conjoint analysis multi-level regressie
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Advanced Methods and Models in Behavioral Research – 2009/2010
Models and methods: topics
• t-test, Cronbach's alpha, etc• multiple regression, analysis of (co)variance and
factor analysis
• logistic regression• conjoint analysis / repeated measures
• Stata naast SPSS• Naar nieuwe vragen• Oefenen (een beetje) met data verzameling
Achterliggende gedachte: nu moet je het zelf kunnen
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Advanced Methods and Models in Behavioral Research – 2009/2010
Methods in brief (1)
• Logistic regression: target Y, predictors Xi.
Y is a binary variable (0/1).
- Why not just multiple regression?- Interpretation is more difficult- goodness of fit is non-standard- ...
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Advanced Methods and Models in Behavioral Research – 2009/2010
Methods in brief (2)
• Conjoint analysis
Underlying assumption: for each user, the "utility" of a product can be written as
U(x1,x2, ... , xn) = c0 + c1 x1 + ... + cn xn
-10 Euro p/m- 2 jaars abo- toestel gratis- ...
Hoe aantrekkelijk vindje dit voorstel?
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Coming up with new ideas (3)
Advanced Methods and Models in Behavioral Research – 2009/2010
“More research is necessary”
But on what?
“More research is necessary”
But on what?
YOU: come up with sensible new ideas, given previous researchYOU: come up with sensible new ideas, given previous research
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Stata next to SPSS
Advanced Methods and Models in Behavioral Research – 2009/2010
• It’s just better (faster, better written, more possibilities, better programmable …)
• Multi-level regression is much easier than in SPSS
• It’s good to be exposed to more than just a single statistics package (your knowledge should not be based on “where to click” arguments)
• More stable (I think)
• Supports OSX as well… (anybody?)
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But …
• Output less “polished”
• It takes some extra work to get you started
• The Logistic Regression chapter in the Field book uses SPSS (but still readable for the larger part)
• (and it’s not campus software, but subfaculty software)
• Installation …
Advanced Methods and Models in Behavioral Research – 2009/2010
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Advanced Methods and Models in Behavioral Research – 2008/2009 9
To Do
• enroll in studyweb (0a611)
• Read the Field chapter on logistic regression
Advanced Methods and Models in Behavioral Research
Advanced Methods and Models in Behavioral Research – 2009/2010