Mahdi Mazidi

5 Questions 3 Answers 0 Followers

Questions related from Mahdi Mazidi

Should item-level data or total scores be used for detecting multivariate outliers using Mahalanobis distance method?

I want to detect multivariate outliers in my dataset, which contains participant responses to various questionnaires such as DASS-21, PSWQ etc. Should I compute Mahalanobis distance using total...

19 January 2024 3,682 3 View

How to statistically compare two indirect effects in a parallel mediation model?

I conducted a parallel mediation model with two candidate mediators using Hayes’s PROCESS. The indirect pathways for both mediators are statistically significant. However, I need to compare the...

04 August 2021 2,456 4 View

What Lavaan package warning message about covaraince matrix of latent variables means in confirmatory factor analysis?

I am doing confirmatory factor analysis using the lavaan package in R. I am testing a model for two different samples (adults and adolescents). I run the below code: five_factor_model

25 June 2021 2,723 2 View

Is a Strong correlation between the Moderator variable and the dependent variable an issue for moderation model (model 1) in Hayes PROCESS?

In a typical moderation model with one moderator, is it a problem if the moderator and the dependent variable show a strong correlation (say 0.85)? What if a strong correlation exists between the...

28 January 2021 5,268 4 View

How to carry out the Benjamini-Hochberg procedure for multiple testing?

I am looking for a reliable source that explains how to carry out the Benjamini-Hochberg procedure for multiple testing such as multiple t-tests or multiple correlations. I read about it from...

15 March 2020 7,072 3 View