Questions tagged [amos]
AMOS is IBM SPSS AMOS, proprietary structural equation modelling software.
77
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Second Level Factor in CFA - how to interpret standardized path coefficients
I have seen such a model in publications many times, which I created on my own data. It is a model of three latent features based on observable variables (likert scales) which also has a superior ...
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How many covariances can we draw between error estimates to modify the hypothesized model of CFA using AMOS?
I ran a confirmatory factor analysis in AMOS and the indices values required for model fit were below the required value so I draw covariance between error terms to modify model. the question I want ...
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1
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What does it mean when a CFA model improves drastically by ommiting a factor?
I am trying to fit a CFA model with four factors (say F1 with 4 indicators, F2 with 6 indicators, F3 with 3 indicators and F4 with 5 indicators) in Amos. Each indicator is computed by summation of ...
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147
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Moderation with a latent variable in AMOS
I am trying to create an AMOS SEM model between Childhood Traumas (CT) and Borderline Personality Disorder (BDL), and the Behavioral İnhibition System (BİS) will be ...
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Path analysis: Mediation and linear regression reporting
Let's say I'm testing this relationship in a path analysis in SPSS AMOS to answer these 2 research questions:
Does worker's moral have a significant positive relationship with organisation ...
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Do I have to refit a model before I use the Hayes plugin?
I'm running a mediation analysis where I'm testing if information sharing mediates the relationship between integrity and innovation. The data was sourced using surveys with the survey being on a ...
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2
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70
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Am I able to split up a large SEM model into smaller SEM models?
I have a SEM model in SPSS AMOS that is testing the mediating effect of information sharing on the relationship between the three dimensions of trustworthiness (which are ability, integrity and ...
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2
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246
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Can we use a likert scale of 0 to 5 for SEM analysis?
I am learning to do SEM analysis and have finished the data collection. In my questionnaire I have scales measured from $0$ to $5$ which measure emotions ($0$ = not feeling it at all to $5$ feeling it ...
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"The model is probably unidentified" in AMOS - how to fix this?
I am trying to fit a second-order factor in AMOS (where 'AA', 'AB', and 'AC' are thought to be facets of the higher-order factor 'AD'). I am getting the error message "Result (Measurement model)
...
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70
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Why does this error occur with my structural equation modeling?
When I run this structural equation modeling in amos program, I get the following error message. How do I fix it?
The error message: "The model is probably unidentified. In order to achieve ...
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2
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How do you know when the reason for a SEM being unidentified is because of the very variables that you put in?
How do you know when a SEM shows as unidentified not because of the path diagram but because of the actual variables that you put in?
The following model is well-identified according to AMOS, but when ...
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2
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323
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Comparison indices of CFA
I am comparing different models in Confirmatory Factor Analysis (CFA) to decide what my optimal number of factors and factor structure should be. The main indices I have been using are chi square , ...
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128
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Manual Calculation of SEM Factor Scores
I am trying to re-create the factor scores computed by AMOS for a latent construct. However, I get a very different answer when using the "Estimates" for the variables than when AMOS ...
- 157
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3
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812
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Model selection in path analysis? AIC, BIC, other fit measures
Running some path analysis models. I have one model with 6 variables and another model with 5 variables.
The 5 variable model has an AIC = 30 and a BIC = 80, R Squared = .30
The 6 variable model has ...
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490
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CFA in AMOS vs. R: Different modification indices and standardized errors
I am doing a confirmatory fator analysis and I do obtain different results in SPSS AMOS vs. R/lavaan.
All parameter estimates, df and standard errors are the same. Yet, standardized residuals and ...
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104
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Latent Growth Curve Modeling and Model Choice
I am running an analysis of a clinical trial dataset. The research question is whether variable y influences the outcomes at each timepoint either as a main effect or in interaction with variable z (...
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2k
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The covariance value is greater than 1 in Amos
I would like to ask about the path analysis I ran using Amos, the value of the covariance between two latent variables was greater than 1, is it acceptable? if not how can I fix it?
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Should allowing multiple DVs to covary in SEM influence beta coefficients?
I am running a replication study to test a model with 8 IVs and 3 DVs (all variables are continuous).
In the initial study, I had a moderate sample (≈ 200), and thus relied upon multivariate multiple ...
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Why does this formula produce $p_{2}$ probabilities for Mahalanobis distances?
At the IBM website it is written that
The p1 probabilities are standard probabilities of an observation from
a multivariate normal distribution being that far or further from the
centroid, ...
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1
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542
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Testing Measurement Invariance on data with small sample size
I‘m wondering what is the best way to test measurement invariance on data with small N, since CbSEM requires at least N = 200, or 5 - 10 cases for each indicator. For example I want to test a ...
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Help with Interpreting results from 2 models: Variance explained vs Indirect Effects?
I am comparing two models using Path Analysis (pictured).
Model A explained 49% of the variance in my DV.
Model B (which is the same as Model A + an additional mediator) explained 48% of the variance ...
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1
answer
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Multi-level data query
We want to find the relationship between supervisor's narcissism and subordinate's job commitment. We have collected data from 600 supervisors and 1800 subordinates reporting to them (three ...
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1
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How to assess the significance of r2 values across models
I want to know whether (and how) I can test whether the difference in r2 values across two SEM models is significantly different.
I have conducted a study where participants completed one of two ...
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1
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2k
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Interpretation and formulation of SEM path coefficients?
Trying to interpret and write down my SEM results, but not sure if this is 1. correct and 2. well formulated. This is what my models and parameters look like (first unstandardized, then standardized):
...
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How exactly do I calculate the power in my SEM?
I am trying to calculate the power in my SEM analysis post-hoc. How exactly should I do this? What is the power for the R-squared result of IT-T2 and IT-T3?
Background info: Sample size is 255. IT ...
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AMOS: Model is unidentified requires 26 additional constraints! How to fix? [closed]
After running model on AMOS I am not getting any output path and this note appears in the text output: "The model is probably unidentified. In order to achieve identifiability, it will probably be ...
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1
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134
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High value of R-squared correlation on behavioral intention while very low value of R-squared correlation on actual use of mobile shopping app
I have been working on antecedents of mobile shopping with UTAUT-2 model combined with the constructs of trust and perceived risk. I am using a sample of international students for my study. I wanted ...
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1
answer
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"The model is probably unidentified" AMOS
I am doing a CFA in AMOS and I keep getting the error message: "The model is probably unidentified. In order to achieve identifiability, it will probably be necessary to impose 1 additional constraint....
1
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0
answers
798
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Poor model fit - Difference between SEM and MLR
For a study I am researching a quite simple research model (7 IVs - 1 DV), in which I am not interested in underlying relations between the IVs: the relation between the IVs and the DV is all that ...
0
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1
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879
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Extracting Factor Scores of Latent Variables after CFA in AMOS
I plan to extract the latent variables' factor scores after conducting Confirmatory Factor Analysis (CFA). I will use these factor scores as explanatory variables for my next statistical procedure - ...
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1
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192
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AMOS: CFA testing invariance, but cannot name intercepts
I'm using AMOS to run a 2-factor model with 5 indicators each (10 in total). I'm assessing the invariance. So I'm assessing the invariance for sex. While the configural and metric invariance worked ...
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0
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171
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Significant direct effect and non significant TOTAL effect
I have a cross-lagged model with 3 waves and two variables. Here the regression`s paths.
...
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1
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334
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measurement error, path analysis
I have used a path analysis without any latent variable. I know that measurement error is a huge issue in mediation models. I also know that parceling is one way to deal with measurement error, but ...
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1
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Structural equation modeling with repeated measures
I have data that I thought would lend itself easily to structural equation modeling, but I cannot figure out one issue -- how to handle repeated measurement in SPSS AMOS. Participants were randomly ...
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924
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Can dichotomous /binary data (0-1) be converted into Likert scale data (1-5)?
Read somewehere that one can simply put 0's of binary to 1 of Likert and 1's of binary to 5 of Likert,Is it the traditional way?
Just for clarification,if someone is familiar with AMOS,i have the ...
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82
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Is it correct to claim the existence of an 'indirect effect' in A>B>C chain when no significant A>C path is found? Or what else should I call it?
I am working on a SEM where I hypothesize a causal chain where A influences B, which in turn influences C. The data are from a 2x2 between-subjects experiment, N = 297.
All the goodness of fit ...
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1
answer
84
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Left censored dependent variable in SEM
I'm working on a structural equation model in Amos. I have two independent variables, 5 mediators and a left censored dependent variable. The dependent variable is ...
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183
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SEM: Acceptable to report standardized factor loadings that is exactly 1.00 (not above)?
I have a situation where an indicator pathway has a factor loading that is exactly 1.00 (in the AMOS output the estimate is .998).
The model converges, is positively defined and has a decent model ...
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0
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749
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Repeated Measures in SEM
I would have a question about using Structural Equation Modeling for comparing repeated measures results. I have a one DV which has been measured 4 times and corresponds to 4 different experimental ...
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2k
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Missing data in path analysis using AMOS -- data imputation, EM, multiple imputation, or ML?
This question reflects the dilemma I face in analyzing path models using AMOS with missing data.
I have a dataset with n = 116, missing rate = 6% (Missing at Random) for a full path model with about ...
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1
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4k
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How to report the results of a complex path analysis?
I started with a model with 5 IVs and 7 DVs. This model had a poor fit (RMSEA = 0.405, CFI=0.760 or so). Most of my hypotheses were not confirmed, i.e. many regression coefficients were not ...
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2
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5k
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Good Multivariate normality coefficient but suspicious univariate indices in AMOS, what to do?
We are conducting a research with 15 observed variables. Before starting a SEM model based on our data-set (of 531 cases), we tried to check for uni-variate & multivariate normality problems. The ...
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703
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The results of EFA are different from those of theory, how to conduct CFA?
I have a dependent construct (attitude) which has at least 2 dimensions in theory (affective & behavioral). The scale measure adopted for this research is found to have 2 or 3 dimensions in ...
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amos: zero chi-quare and zero df confusion
I have five concepts in a theoretical model (animosity, ethnocentrism, religiosity, patriotism, satisfaction). The EFA result shows that there is only one actor for each construct:
f1 (animosity) ...
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998
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Can Amos SEM deal with binary dependent variable?
Hi I'm doing a SEM using AMOS. The outcome is the success of consumer satisfaction, which is measured by 2 questions.
How satisfied are you? (1-7)
How likely would like to recommend ? (1-10)
If ...
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287
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Bayesian SEM in AMOS - suggest resources?
I'm looking for resources regarding Bayesian SEM estimation using AMOS built-in procedures (I have ordered categorical data).
Google gives some basic resources on ...
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229
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Measurement Invariance
My colleagues and I are analyzing data by using multi-group SEM.
Background
We would like to know how individuals' commitment in a specific leisure activity influences their well-being. Specifically,...
2
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1
answer
955
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Invariance test after CFA model
Should I do invariance test after my CFA model was created and model fits were good? Should I do common methods bias, too? If so, how do you do these procedures in AMOS?
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1k
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CFA in Amos - Is my model correct for my analysis?
I want to do an CFA on a questionaire with four subscales in my sample, because I need to know, if they are independent from each other.
I added all items to each subscale and then drew the ...
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Creating composite vairables in Structural Equation Modeling
I was wondering if you can help me. I want to run a pathway model using composite variables. Each composite variable is made up of 3 or 4 observed items. To create the composite variable to draw my ...
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