Manuel Heinrich

5 Questions 36 Answers 0 Followers

Questions related from Manuel Heinrich

Change of single symptoms of depression and NOT sum scores as proxy during psychotherapy?

Dear all, do anyone know any studies which have adressed in how far single symptoms of depression (sadness, anhedonia, contration difficulties and so on) change during psychotherapy and not SUM...

17 May 2017 548 2 View

Not Missing at Random Structural Equation Modeling?

Hi all, i want to do multiple imputation on iem level, since several studies have shown the superiority of item level imputation compared to scale level. I want to do a sensitivity analysis. Some...

28 October 2016 5,423 2 View

R Package for doing propensity score matching on more than two groups?

Dear all, i would appreciate any recommondations for good R packages doing matching on three groups (one control and two treatment conditions). Many thanks in advance, Manuel

28 July 2016 5,343 3 View

Why do we gain degrees of freedom when we add constraints? I know that i decrease the number of free parameters, but what does it mean conceptually?

For example, when we test a CFA measurement invariance and compare a model assuming configural (no constraints except these necessary for model identification) against a model assuming week...

25 May 2016 812 2 View

Cohen's d in mixed linear models using interventional data with missing values?

Dear all, How can calculate Cohen's d in mixed linear models using interventional data with missing values? I want to compare the effects of an interventional trial. As usual, many participants...

29 March 2016 6,622 2 View