Do you have some program to calculate confidence interval for R-squared in multiple regression without raw-data?

Dear researchers, Do you have some program for calculate confidence interval for R-squared in multiple regression without raw-data?

03 April 2016 2,981 3 View

What is the effect size measure for Spearman coefficient, or tau-b / tau-c?

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02 March 2016 362 0 View

How can the misspecifications affect the measurement models in CFA/SEM?

How can the misspecifications affect the measurement models in CFA/SEM?

02 March 2016 8,811 0 View

In a measurement invariance study, what's the ideal sample size in each group?

.In a measurement invariance study, what's the ideal sample size in each group?

01 February 2016 408 5 View

What free software (no R) are available for DIF?

I need perform this procedure, but I don't have software.

01 February 2016 7,874 0 View

How affect correlated errors to the fit indices in SEM?

.How affect correlated errors to the fit indices in SEM?

01 February 2016 7,861 3 View

Can I include correlated residuals in the model when performing a bifactor analysis?

The best model before the bifactor is one which have correlated residuals.

09 October 2015 2,245 5 View

Why do some researchers in psychometrics still use the "Little Jiffy" approach (PCA + Kaiser rule + Varimax)?

This approach is used even when exists papers where give alternatives procedures, who are more useful because focus on variance of construct, not in variance of error like the PCA.

09 October 2015 5,617 7 View

Hi. Who knows a free software for ESEM (Exploratory Structural Equation Modeling?

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09 October 2015 7,941 2 View

How do the correlated residuals in SEM affect the reliability estimation?

I am supporting a process of validation, and we discover two cases of correlated residuals.

09 October 2015 5,088 2 View

Am i able to conduct a factor analysis on each of my subscales, as opposed to the whole scale?

My psychometric scale contains 38 items in total, with 4 subscales (20, 6, 6 & 6 items respectively? Can i run a factor analysis for each subscale rather than the scale as a whole for the...

24 February 2021 8,856 8 View

What are alternatives to factor analysis for a small sample?

My sample size is too small to conduct a factor analysis. I created my own psychometric scale for measuring Effectiveness of Support, which contains 38 items (4 sub-scales) Im really struggling...

23 February 2021 9,287 12 View

How do I collect online measures in a same-different task?

The same-different task requires to subjects to indicate whether a pair of stimuli seen or heard are the same (say AA or BB) or different (say AB or BA). Researchers often collect offline measures...

20 February 2021 9,226 2 View

How many indicators do I need to represent a latent construct?

Hi folks! We did a large survey and planned to use 3 indicators to represent a latent construct (Sense of Place/SoP) in a latent regression model (structural equation modeling). However, one of...

15 February 2021 7,705 3 View

How to use PVQ Psychometric Tool?

Hello, I'm doing a research about if psychometric tools can be translated into video games. My main major is video games. So I'm an absolute newbie with psychometric tools. I have chosen PVQ tool...

22 January 2021 5,992 2 View

Cronbach's alpha or McDonald's omega? Which would be more correct and in what cases?

Cronbach's alpha or McDonald's omega? When it comes to reliability, we find different methods for its estimation. Immediately, the name of Cronbach's Alpha coefficient arises, as it is the most...

21 January 2021 330 4 View

How did the tests or exams get to Latin America, specifically the written tests?

I am looking for some bibliographic references that explain how tests or exams (measurement and assessment in education) came to Latin America, specifically written tests. I would like to know if...

13 January 2021 8,607 0 View

In psychometrics, what are some quant. methods to examine several competing operationalizations of the same construct to see which is most 'valid'?

13 January 2021 2,740 3 View

Any free + psychometrically robust I. Q. Test measuring Verbal, Numerical & Logical Reasoning?

Looking for a free + psychometrically robust Intelligence Test that measures the "g" factor + verbal, numerical & logical reasoning abilities to run a Concurrent Validity Study.

20 December 2020 4,301 3 View

Measurement invariance of a bifactor model with categorical indicators. What is the recommended approach?

I have a bifactor model with categorical indicators: 4-option Likert-type items. One of my research objectives involves testing measurement invariance between two groups. I have been doing it as...

16 December 2020 4,601 2 View