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

learn more… | top users | synonyms

0
votes
0answers
10 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 ...
1
vote
0answers
15 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 ...
1
vote
0answers
36 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 ...
1
vote
0answers
114 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 ...
0
votes
0answers
68 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 ...
3
votes
0answers
379 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 ...
0
votes
0answers
63 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 ...
1
vote
0answers
179 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). ...
0
votes
0answers
124 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 ...
0
votes
1answer
361 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 ...
0
votes
0answers
36 views

CFA for 2 uncorrelated factors

I am trying to run a two factor confirmatory analysis in AMOS (version 20). However, the factors theoretically do not correlate. Should I keep in the two way arrow between the two factors and ...
2
votes
1answer
568 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 ...
0
votes
0answers
93 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 ...
0
votes
0answers
80 views

50% missing data in longitudinal study for ANCOVA in SPSS

I have a longitudinal study over 4 time points with two groups, comparing an intervention and a control. I have at least 50 % missing data. the pattern of missingness is MCAR according to Littles ...
0
votes
0answers
32 views

Impact of some dimensions of one construct on the another construct in a 2-construct model

I have made a model consisting of two constructs, say parents and children, each with several dimensions and set of items (variables). I have used a mixture of Exploratory Factor Analysis (EFA) and ...
0
votes
0answers
172 views

Model fit in AMOS - ADF vs ML

I am performing a confirmatory factor analysis (CFA) in AMOS using asymptotically distribution free estimation (ADF) because my data are non-normal and I have a big sample (N = 1600). The root mean ...
0
votes
1answer
95 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 ...
0
votes
0answers
69 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 ...
1
vote
1answer
114 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 ...
2
votes
1answer
983 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 ...
1
vote
0answers
408 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 ...
3
votes
1answer
824 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. ...
2
votes
2answers
908 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 ...
6
votes
1answer
298 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 ...
3
votes
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 ...
3
votes
1answer
639 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 ...
2
votes
1answer
221 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 ...
0
votes
1answer
128 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 ...