# Questions tagged [mplus]

Mplus refers to a commercial statistical modeling program for general statistical analysis.

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### Why correlations are different when they are calculated from latent variables (CFA), than when they are calculated from composite scores?

When I am doing a statistical analysis, first I take the measures of each of the constructs I am measuring and I create an average score. With these averages, I calculate the correlation between ...
0answers
50 views

### Intercept of latent variable underlying an observed categorical Variable

In Structural Equation Modeling one approach to deal with categorical Mediators is the "underlying latent variable approach". However using this approach e.g. with the MPlus software, only thresholds ...
0answers
165 views

### SEM with manifest categorical outcome variable

I'm examining if the Big Five personality traits have an effect on the relationship type someone is in. The Five personality traits are latent with continuous indicators, while the dependent ...
0answers
81 views

### How to specify a significance test for intercept and slope between multiple latent groups

I have done a Latent Profile Analysis on 34 symptom-distress-items at beginning of psychotherapy treatment. I came up with 5 latent groups. The entropy of the model was 0.779 The average Latent ...
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1k views

### Total R-squared: Structural Equation Model

I'm trying to calculate the total R-squared in a structural equation model. Basically, I want to compare models based on the amount of variance accounted for by the endogenous variables in general (I'...
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407 views

### How to interpret the results when the models are constrained to be invariant in multi-group modeling

I have constrained two models to be equal, and based on the $\chi^2$ test there is no difference between the models, they are invariant. These two models contain exactly the same path coefficients. ...
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599 views

### Underdispersed count data and factor analysis

I am working with count data from a psychological experiment. Data are from several subtests, i.e. scores on these tests. The way these scores are generated is clearly not Gaussian (not only because ...
0answers
9 views

### MIMIC Model and standardization

I'm running a MIMIC model in MPlus with a dummy coded covariates and binary manifest variables. Which standardization should I use to calculate the ETS effect size for DIF, std, stdy, or stdyx?
0answers
7 views

### Can Mplus run invariance testing if you only have access to summary data

Does anyone know if you can run invariance testing if you only have access to summary data. I have one data-set with full item level information and can only access summary data on another data-set (...
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20 views

### Transforming scores of two different measures?

I'm working with two different measures of PTSD symptoms, the Acute Stress Disorder Scale (ASDS) and PTSD Checklist (PCL) in an LGMM model in MPlus. The model uses four time points of PTSD symptoms (...
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64 views

### Effect Size/Variable Importance in Pathmodell with metric and binary predictors (using mplus)

i want to calculate the following Path-Model: I got 4 variables refering to a specific place or spot (like a climbin-rock). There are 2 Liking ratings, one cheap/expensive rating and one young/...
1answer
53 views

### Mplus multilevel model with variables of different length

Let's say I have 4 variables on the within person level - xa, ya, xb, yb. xa and ya have each 100 trials, xb and yb have 200, and there are 150 subjects. I want to build the following multilevel ...
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98 views

### Growth Mixture Models in MPlus

I'm new to mixture modeling and MPLUS, so apologies if this question is misguided. I am currently working through a dataset and learning off of Higher-Order Growth Curves and Mixture Modeling with ...
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156 views

### Binary variable as a mediator and indirect effects estimation in SEM model by Mplus

I would really appreciate anyone's advice on my modeling in MPlus :) So we are interested in estimating the indirect effects of X1 (t_health) and X2 (t_freq) on Y (cesd) through M (pa). PA is a ...
1answer
540 views

### Type complex vs two level

I am conducting a cfa (two level, with meaning of level 2;it is staff rating organizations and we care about organizations). My question is what is the difference is in mplus between type=complex (...
1answer
328 views

### Predicting cluster probabilities/ cluster membership for new cases from Mplus output

I used Mplus to perform a latent class analyses/finite mixture analyses with categorical and continuous indicator variables. I obtained a well defined 5 cluster solution. I would like now to predict ...
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100 views

### How to structure dataset and write syntax for mediation model with clustered data?

I have a dataset of 300+ students with teacher-reported data. There are 17 total teachers that reported data on the students. I would like to run a model that tests mediation where the mediator is a ...
1answer
48 views

### Growth Modeling of Longitudinal Data: Growth factors as predictors in Regression

i have this following situation. I have a dataset of four measurement occasions. In the first three occasions the same test was introduced. This three timepoints are equidistant. The fourth data ...
1answer
241 views

### Confirmatory latent variable cluster analysis with mplus

I would like to do a confirmatory latent class cluster analyses (finite mixtures) with a continuous and several categorical variables. I know how I can constrain binary variables (such as Cluster A ...