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

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?

.

09 October 2015 7,941 2 View

Who knows about recent studies about the psychometric properties of MINIMULT (The very brief version of MMPI developed by McKinnon in 1968)?

This test is used in my country, but no count with recent serious studies.

09 October 2015 6,941 4 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

I got 02 moderator values defining Johnson-Neyman significance regions. Is it an error?

Hi everyone, I am conducting research for my Master's thesis. I am using PROCESS by Johnson-Neyman to analyze my Moderator model. I test the relationship between Public Service Motivation and...

03 March 2021 2,350 2 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 optimize the Size Exclusion Chromatography?

Hello! I'll do a size exclusion chromatography, but I only have an open column, and I'll perform the peptide extraction from yeast, using buffer lysis (sodium phosphate 50 mM/NaCl 30 mM/DNAse and...

01 March 2021 2,215 2 View

No title

01 March 2021 3,905 5 View

What test should I use to compare two or three means, if data is not normally distributed but sample size is > 30 in each group?

I personally feel this as a most confusing question. As per my understanding, if sample size is > 30, and sample is skewed, we can still use paramteric approach, as it will follow Z...

01 March 2021 1,587 6 View

Is it necessary to report effect size (ES) in statistics of biomedical research given that we already report p values routinely?

Pls share your thoughts

01 March 2021 7,330 4 View

RIA. How to measure?

When you use RIA, with a control the unknown sample with antibodies, you bare in mind the binding sites of the antibodies. However you still need to measure labelled antigen (radioactive) and not...

28 February 2021 2,133 3 View

How to Eliminate cosine error and abbe error in LASER measurement system(for example Rhenishaw XL80)?

I like to do project in laser measurement system. My objective is to eliminate or reduce the cosine error, abbe error in Laser measurement system. I have Rhenishaw XL80 system. Please tell the...

28 February 2021 4,890 3 View

How to measure angle between laser travel path and machine axis in Laser Measurement system?

25 February 2021 1,987 3 View

Why there are two peaks while using the mie plot of Silver nanoparticle?

Hi, I am trying to learn the theoretical modelling of silver nanoparticle using the Mie scattering theory. After that, I discovered a software named Mieplot developed by Philip Laven, where it...

25 February 2021 7,493 6 View