What is the difference between SPSS and LISREL when running CFA and WLS?

Im doing a Psychometric evaluation on ryff's psychological well-being scale and have read rrls using LISREL. However, im only familiar with SPSS so is there a difference in both? Thank you!

03 April 2017 2,662 10 View

What is the minimum sample size for factor analysis?

I will be doing ryff's psychological well-being scale for psychometric properties. What would be the minimum sample size for factor analysis using spss? I read Slovin's formula is not reliable?

03 April 2017 2,108 7 View

Could alternate form reliability be administered simultaneously?

I will be doing ryff's psychological well being scale's psychometric properties. Could I administer alternate form reliability simultaneously? (42-item and 18-item)

03 April 2017 3,437 4 View

IS Confrimatory Factor Analysis CFA and WLS enough for psychometric evaluation?

Im going to do a psychometric evaluation on ryff's scale using nurses as my sample. Would CFA and WLS suffice? Thank you!

03 April 2017 8,640 2 View

What would be a good discriminant validity for Ryff's PWB?

03 April 2017 4,381 4 View

What would you use for reliability in a Psychometric Evaluation?

I will be doing ryff's psychological well being scale for my psychometric properties. Can I do chronbach's alpha and split half simultaneously? I know I can get the chronbachs for each split...

03 April 2017 8,634 15 View

Can Zung's Depression Scale be administered by a student?

I am currently doing my psychometric evaluation on ryff's scale and would like to use Zung's scale for my divergent validity. I am an undergrad student. Can I administer it?

03 April 2017 1,623 6 View

What scale will you use for convergent validity?

I am currently doing a psychometric evaluation on Ryff's PWB. In my convergent validity scale, should the instrument still on on PWB or shift to a hedonistic SWB? Thank you!

02 March 2017 8,742 3 View

Is it logical to have an additional qualitative study on psychometric evaluation?

Im currently doing a psychometric evaluation of Ryff's scale and my professor would want me to do an interview and see if the respondents' answers support the dimensions of the theory. Is it...

02 March 2017 3,051 6 View

What is the minimum participants for ANOVA?

Hello! I'm doing a comprative study and I would like to know what is the minimum participants per group? Thank you!

01 February 2017 3,852 8 View

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 View

What analysis to choose with a large neste dataset and clearly skewed or kurtotic distributions?

Hello! I have a dataset of n=3000 nested within 8 countries with approximately 200 or 400 responses in each country. I originally planned to perform multilevel modelling with 4 dependent variables...

02 March 2021 6,865 1 View

How to compute the internal consistency of a scale with ordinal items?

Hi community, I am trying to determine what is the best way to calculate the internal consistency of a newly developed self-esteem scale. I am working together with two other researchers on the...

28 February 2021 1,369 5 View

Should we reduce the standard unit of length to 0.31951540592 meter ?

The reasoning behind this question is to align the ratios of the proton potential in energy per charge to the speed of light in distance per time. As these two dimensions appear to be related,...

27 February 2021 947 7 View