I'm using SEM to test mediation analysis. But the model fit indices show that my CMIN and df are 0. Will this happen reasonly and can I use this data?

Hi, I'm using SEM to test mediation. And when I was testing the partial mediation model, the model fit indices show that CMIN=0, df=0, CFI=1, NFI=1, RMSEA=0.563. Will this result be reasonable...

09 October 2019 340 3 View

Why the serial multiple mediation shows the just identified model using AMOS? Will this model be acceptable or meaningful?

Hi, I'm testing a serial multiple mediation model with two mediators. I tried twice by testing different data but they all showed the same results that CMIN and df=0. First, I did CFA test to...

09 October 2019 6,872 7 View

What's difference between latent casual models and path models? Esepecially when I'm doing the anlaysis using AMOS?

Hi, I'm a master student and recent doing a project using SEM in AMOS. And when testing some hypotheses, I found myself lacking of understanding some basic knowledge such as the difference between...

09 October 2019 8,238 2 View

Doing factor analysis in SPSS, what if the reproduced correlation saying that there are 75 (15%) nonredundant residuals with absolute value >0.05?

I'm doing factor anlaysis in SPSS and the reproduced correlation saying that the residuals are computed between observed and reproduced correlations that there are 75 (15%) nonredundant residuals...

09 October 2019 946 2 View

If I use modification index to improve model's godness of fit within a structural equation model, what should I do and be cautious?

If the latent construct is derived from a survey, can I correlate error terms by checking the questions to see whether the two questions are related to the same topic? If they are, I correalte...

08 September 2019 8,686 1 View

How could I deal with the group differences for I collect data from 3 different industries?

Hi, I collected my data using questionnaires from 3 different firms in different industries, and when I used one-way ANOVA, the results showed that the differences in 3 groups are big. How could I...

07 August 2019 2,926 5 View

When doing reverse coding of questionnaire items, what factors should be paid attention to?

Hi, I'm doing master dissertation and since there are some items measuring one scale in negative statement, I did reverse coding. But the Cronbach's Alpha is much lower after reversing. Could...

07 August 2019 3,698 6 View

If my model fit is poor and my mediation effect analysis also failed, what else could I do to resolve the problem?

Hi, I'm doing my master dissertation. After the mediation anlaysis, the mediator failed to have impact, so I did confirmatory factor anlaysis to find out the problems. The result showed that my...

07 August 2019 2,577 3 View

Which mediation test model should I use?

Hi, I'm doing my master dissertation. My research aims to investigate how individual factors (intrinsic motivation, paradox mindset, task significance, resource available, proactive personality)...

07 August 2019 4,082 4 View

How to interpret and judge the mediation effect according to this table by using Barron&Kenny regression test?

Hi, I'm doing my master dissertation. My research aims to investigate how individual factors (intrinsic motivation, paradox mindset, task significance, resource available, proactive personality)...

07 August 2019 4,216 5 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature)?

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature-based reflection)? Thank you for your time and for...

03 March 2021 2,870 3 View

What degree of missing data in a particular case/participant results in Expectation-Maximisation no longer working?

I'm dealing with a mediation model and am using the PROCESS module in SPSS. Due to SPSS and PROCESS being limited in the imputation methods - being unable to handle multiple imputation - the other...

02 March 2021 4,362 1 View

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.

02 March 2021 4,359 3 View

Can NFL theorem be valid in infinite search space in ML?

NFL theorem is valid for algorithms training in fixed training set. However, the general characteristic of algorithms in expanded or open dataset has not been proved yet. Could you show your...

01 March 2021 1,189 3 View

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01 March 2021 3,905 5 View

Does anyone know how to plot my station to a section plot on Ocean Data View (ODV)?

I made a vertical section plot with WOA .nc file on ODV, and now I want to plot my stations (csv. file) in it. Does anyone know how to import my points to the section? They are two different...

01 March 2021 3,610 1 View

How to address this issue in the analysis of Real-Time PCR results?

To dear Researchers, I was analyzing a series of concentration for estimation of Real-Time PCR efficiency. The concentration was 1:10. I used MS-excel to evaluate Slope. The result of slope was -8...

01 March 2021 8,683 4 View