Radka Hanzlová

9 Questions 16 Answers 0 Followers

Questions related from Radka Hanzlová

How to test criterion-related validity of the measurement instrument in a more sophisticated way?

Dear colleagues, I would like to ask for your advice on testing the criterion-related validity of the measuring instrument. It is common practice to test this type of validity by correlation with...

14 May 2024 9,037 4 View

Can I compare different models through IRT?

Dear colleagues, I would like to ask whether it is possible to compare the quality of different models based on the same data but containing different number of variables using IRT analysis,...

13 May 2024 6,028 3 View

How to methodologically correctly create a factor (latent variable) composed of different types of variables?

Hello, everyone. My goal is to create a factor (latent variable) from four questions in a questionnaire, each of a different type. Two are rated on a scale of 0-10 and so can be thought of as...

21 February 2024 642 3 View

To weight or not to weight data in statistical analyses?

I would like to ask for advice on data weighting - i.e. whether or not I should use post-stratification weights in my analyses? I have data collected by quota sampling, which are weighted with...

27 February 2023 6,116 3 View

How many missing values are allowed for working with scales?

Hello. I would like to ask your advice. If I have a scale of five items and I want to calculate an index from it, how many variables are allowed to have missing values? Is it necessary to have...

23 October 2022 4,850 8 View

What estimator I should use in CFA in Mplus when I have continuous and categorical variable?

I conduct first-order CFA model with four factors and 23 variables, of which 11 are categorical and 22 are continuous. I do not know which estimator (ML, MLR, MLM, WLSMV ??) I should use. Please,...

16 October 2020 5,156 4 View

Problem with RMSEA in categorical MGCFA in Mplus?

Good morning to everyone, I have a problem with high value of RMSEA in MGCFA with categorical variables with the WLSMV estimation method in Mplus. I test a model consist of 4 variables on...

05 June 2020 6,681 1 View

Can I use Two-step cluster for all type of variables?

Good day. I would like to ask for an advice - I need to create typology and I have different or mixed types of variables - continuous, ordinal, nominal, binary - can I use the Two-step cluster...

13 March 2018 7,323 4 View

Measurement invariance with ordinal variables (WLSMV estimator)

Dear all, I would like to discuss with you your experiences with conducting MGCFA with ordinal variables with WLSMV estimator in Mplus. I came across a problem in my analyzes and I do not know...

01 January 1970 6,078 12 View