AMOS is IBM SPSS AMOS, proprietary structural equation modelling software.

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SPSS Amos Binary Outcome - Model Fit

I was just wondering if anybody could help me, I'm conducting a path analysis in SPSS Amos with a binary outcome. I've specified the variable as binary using Tools>Data Recode, I've then calculated ...
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19 views

Mediation analysis with two waves of data in AMOS

Does anyone know the best way of carrying out a mediation analysis when the IV, mediator and DV have all been measured at two time points? I'm wanting to do this using SEM in AMOs.
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25 views

Using transformed variables in SEM (using Amos)

Typically when I'm using Amos graphics I access my SPSS datafile and use individual items from a survey (observed variables) to make up my constructs (latent variables). In my current study, the ...
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105 views

How to create item parcels in SPSS Amos?

I am trying to run a SEM to see the causal relationship among latent variables. I ran the CFA and SEM using Amos, but I realized that the model is very complicated since one factor, which I originally ...
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25 views

having probllem with fit indices in SEM

I ve developed CFA to validate my model. fit indices show good fit. since every variable contain multiple questions. I impute to make composite variable for regression and checked the final ...
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1answer
66 views

Can AMOS be used to perform logistic regressions?

I need to compare 11 groups of data, for the same relationship. My first thoughts were to create 11 regression equations (one for each), and to compare parameters between groups. Problem is that ...
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69 views

What test should I perform on a structural equation model?

This model is a replication of an earlier study. After factor analysis in SPSS, I need to test my hypothesis (as you can see there are 7) all should give significant positive relation with each ...
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33 views

Covariance between factors in CFA (Amos)

I ran a Confirmatory Factor Analysis (CFA) in Amos and obtained a model with high covariance between the factors. James described this covariance in his video as alarming. What can I do to tackle ...
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1answer
56 views

How do I convert unstandardized RMR estimates into standardized RMR estimates?

I am having difficulty turning unstandardized RMR estimates from AMOS software output in a SEM into standardized estimates to enable suitable interpretation. Can someone give me advice on where to ...
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47 views

Why did fixing the covariance value cause AMOS to mis-estimate variance?

I have 100 data points on two variables, a and b. The correlation between the two is .3 and the SD is 1. When I run the ...
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50 views

Removing parameters in AMOS when $\chi^2$ value and DF are 0

I am VERY new to SEM and AMOS. I ran a model where I obtained 0 DF, so it could not compute the fit. So, I am left to cut out parameters. HOWEVER, I'm not sure where I can cut them in my particular ...
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170 views

How to get confidence intervals for specific indirect effects in Amos?

Say I have an SEM model with 1 predictor variable (IV), 2 mediators (MV1, MV2) and 1 dependent variable (DV). Amos reports combined indirect effects for an IV on a DV. So the combined indirect effect ...
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81 views

Confirmatory factor analysis - Fit Indices Problem in Amos

I conducted confirmatory factor analysis for a data set of sample size 583 (number of items= 72) via Amos 16. Though the program reports "minimum was achieved", there is no fit index indicating poor ...
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492 views

Comparing SEM software apps: AMOS vs Stata vs Mplus vs R -— opinions please? [closed]

I have AMOS and Stata, and I have a colleague who has Mplus (and I'd rather not ask the colleague to run my data for me). I recently discovered that Stata has SEM capabilities. I looked online, but I ...
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69 views

Determine Relationship between Categorical & Latent Variables, running SEM Model

I have a two part question, I believe. After running some analysis, a (predictor) strategy variable in my model is (unexpectedly) categorical. I now have four categories of strategy. I need to ...
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244 views

Doing CFA on a known theoretical model, but having problems with convergent and discriminant validity

I did a survey based on the UTAUT model / theory with standard questions used. The N was 150. I am trying to validate the model for my survey with structural equation modeling (via the AMOS software). ...
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170 views

CFA factor scores AMOS

I am conducting my confirmatory factor analysis (CFA) using AMOS, and respectivelly get the factor weights, the model fit, etc. However, is there a way in AMOS to export the actual factor scores for ...
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567 views

Issues with SEM and CFA in AMOS

Firstly: I want to run a CFA with 7 latent variables and 39 observed variables. For a guide of how I constructed my CFA, I used this Youtube Video: http://www.youtube.com/watch?v=JkZGWUUjdLg It ...
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1answer
989 views

What is causing degrees of freedom and negative variance issues when estimating CFA with uncorrelated factors?

Ultimately I want to estimate a second-order factor structure in AMOS. As such I am trying to compare the fit of a first-order model in which the first-order factors are (a) constrained to be ...
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102 views

Path diagram for a second order factor model

I want to fit a second order factor model to some data. Do I need to add an error term to the endogenous factor? I'm thinking about e10, here. I omitted it at first, but AMOS was surprised about that ...
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1answer
103 views

Standardizing standardized data?

Let's assume I standardize my data in SPSS through converting them to z-values. Then I save my dataset and load it into AMOS to do some regressions. Now, the data is already standardized, but AMOS ...
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74 views

When two variables are correlated, how can I draw two variables for SEM using AMOS?

I would like to use AMOS for SEM. According to the literature, either (1) worry is correlated with anxiety, or (2) worry is characterized by anxiety. Would you help me as to how I can draw one ...
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124 views

fractions or wholes for the slope in a latent growth model?

When trying to model a latent growth model in lavaan and AMOS respectively, they seem to approach the time spacing of the slope estimates differently. Lavaan defaults to whole numbers increasing by ...
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1answer
1k views

SEM or path analysis using AMOS, issues with sample size and model complexity

I am new to SEM / AMOS and as such I have done a lot of reading around my problem but find I am getting lost, any help would be appreciated and I am sorry if this sounds rather basic; I have a model ...
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450 views

Entering panel-data (cross-sectional time-series data) into SPSS

I don't know how to enter pooled data (I have data about 42 countries over 7 years per variable) into SPSS and then run a regression. So far, SPSS does not assign the observations to a certain ...
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969 views

What does a chi-square value of zero means in CFA?

I am new to SEM and I am trying to run CFA for a 3-item Job satisfaction scale in Amos. I am getting the following as results. ...
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1k views

Whether to use correlation matrix between latent variables or raw data as input to SEM?

I have a fairly large model - a total of 8 latent variables and each one has 10 items (observed variables). Drawing this model is a mess (there is a mediation effect as well). Is it better to just ...
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344 views

Comparing structural equation models with multivariate non-normality

I am aware that multivariate non-normality in SEM can inflate the chi-square statistic and deflate standard errors of parameter estimates. I can deal with the latter (in AMOS) using bootstrapping ...
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2answers
1k views

Are composite variables (eg. a score) valid to perfom a SEM in AMOS?

I have a resilience scale with 11 items (observed variables), from which I calculated the mean to get a "resilience score" (what would usually be an unobserved variable or latent construct in SEM ...
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1answer
722 views

Using SEM or multiple regression for analyzing questionnaire data with multiple 'sub-items'

I am currently doing my MBA and I am attempting to find out what variables affect new student intake at the university which I am working at. My model is based on the 7Ps of the marketing mix ...
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1answer
229 views

What does it mean when you get strange model fit statistics in AMOS?

I am testing the fit of my mediation model in AMOS, and the model fit statistics are very strange. For example, the CFI is .000 and the RMSEA is way too big (14.774). It seems as though there has been ...
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136 views

How to add multiple question to a variable in AMOS?

My questions is from path analysis. I have a model with 11 variables (DTPB: Decomposed Theory of Planned Behavior), and I publish questionnaire with likert-scale (1 to 5). Each of this 11 variables ...