All Questions
18 questions
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How to perform multilevel moderated mediation analysis with {mediate}
I'm attempted to run a multilevel moderated mediation analysis in R using the mediate package. Some details on my sample:
I have an experimentally manipulated ...
- 11
3
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0
answers
415
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How should I specify a multi-level moderated mediation in lavaan?
I have a repeated measures crossover design where two treatments were delivered to all participants, and measurements of the mediator M and outcome Y were taken following each treatment. I also have a ...
- 43
0
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1
answer
63
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Between-person level interaction
I have a database called dat1. Each participant (id) had multiple measurements. One of the variables measures type of the stress called stress_type (acute=0, chronic =1) and another variable is the ...
- 11
0
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1
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62
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Can I disentangle an interaction in a multilevel model by reordering factors?
I have a multilevel model with two factors (factor A - 2 levels; factor B - 3 levels) and continuous covariate, all of which interact. There is a random effect of participant and random slopes on the ...
- 15
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0
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114
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how to use graph_model in reghelper correctly
I spent so many hours trying to create bargraph for lmer in R but I cant find a way to get each condition group mean to vary.
I want to plot the following model
...
- 21
0
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0
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683
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Multilevel structural equation modeling with interaction between latent variables: designing the model and choosing the appropriate software
This has been a bit of a conundrum I've been trying to solve for a while and relates to a question I asked a while ago.
I am trying to build a 4-level structural equation model (SEM) with latent ...
- 133
0
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1
answer
72
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3
votes
2
answers
295
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Multi-level / mixed-effect / hierarchical linear regression. Model and interpretation advice? [closed]
I want to run and then report a multi-level model on the ChickWeight data in R.
I have done several analyses of which I have a few questions. I've been told the AIC is a good way to test a model's ...
3
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0
answers
741
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How to run a moderated multilevel mediation in R?
I am trying to run a moderated multilevel mediation in R. I have encountered the mlma and bmlm packages, as well as Elizabeth Page-Gould's open-source code for testing indirect effects in multi-level ...
- 1,252
2
votes
1
answer
2k
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Clustering and interactions in a multilevel model in R
We are conducting an individual participant level meta-analysis on a series of clustered randomised controlled trials, where we are mainly interested in an interaction effect with a characteristic (...
- 150
2
votes
1
answer
3k
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how do I plot interactions with continuous and categorical predictors in mixed models?
I'm very unsure how to plot mixed-level data consisting of a mixture of categorical and continuous predictors, so any help would be appreciated.
This is the data
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- 1,629
2
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1
answer
79
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can I test a mixed levels model with only some levels of a predictor to explore interactions?
I have this data frame
...
- 1,629
1
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1
answer
253
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Interaction effects in network meta-analysis (multiple treatment comparison) in R, with greater than two levels per effect?
I have a problem extremely similar to that found in question "Interaction effects in network meta-analysis (multiple treatment comparison) in R?", where I would like to use meta-analysis to ...
- 11
3
votes
1
answer
1k
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Interactions between levels in lme4
We are implementing multilevel models in lme4 and have a question about how to handle cross-level predictors. This is a psychology experiment where individual participants come into the lab and ...
- 173
0
votes
1
answer
2k
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Multi level regression with interaction using R lme4
I'd like to do a regression analysis with interactions, my data has two levels (school classes and pupils). My variables are: Predictor = dummy variable on Level 1, dependent Variable = metric on ...
3
votes
1
answer
4k
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Specifying Cross-Level Interactions in LMER [closed]
I am trying to figure out if it's okay to specify cross-level interactions in a hierarchical model with fixed effect predictor variables at both levels using the ...
- 31
1
vote
1
answer
2k
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Multilevel model where an interaction is a varying slope
I have a multilevel problem where I want to have a random intercept and a random slope. However the random slope is the interaction of two predictors. In this case, do I also have to allow random ...
- 1,039
2
votes
1
answer
842
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Multi-Level Model with two scores per level 2 unit - reasonable analysis?
I have an experimental design with attitudes toward one positive and one negative stimulus nested within individuals. I also have a continuous predictor at the person level (a personality construct).
...
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