1. Advanced Methods and Models in Behavioral Research – 2009/2010 Advanced Methods and Models in Behavioral Research Chris Snijders Uwe Matzat Gerrit Rooks 3 ects http://www.chrissnijders.com/ammbr (=studyguide) literature: Field + separate course material laptop exam (+ assignments) ToDo: Studyweb! Enroll in 0a611

2. 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

3. 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

4. Advanced Methods and Models in Behavioral Research – 2009/2010 Methods in brief (1) Logistic regression: target Y, predictors X i. Y is a binary variable (0/1). - Why not just multiple regression? - Interpretation is more difficult - goodness of fit is non-standard -...

5. 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(x 1,x 2,..., x n ) = c 0 + c 1 x 1 +... + c n x n -10 Euro p/m - 2 jaars abo - toestel gratis -... Hoe aantrekkelijk vind je dit voorstel?

6. 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 research

7. 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?)

8. 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

9. Advanced Methods and Models in Behavioral Research – 2008/20099 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