Annika Schmidt

2 Questions 3 Answers 0 Followers

Questions related from Annika Schmidt

Can I do multiple imputation only for one group, while the other group keeps its missings?

Hi, I am having a datafile where only the experimental group answered certain questionnaires, while the control group didn't answer them. So the control group is having lots of Sysmis at these...

06 August 2015 2,155 3 View

Is it possible to calculate differential item functioning comparing within-subjects-data?

There has been a mistake in my data collection so that a group of my respondents in the first data collection T1 answered a questionnaire on a 6-point scale and in the second data collection T2...

10 July 2015 7,755 3 View