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Questions related from Ali Zia-Tohidi
I want to perform a mediation analysis in the context of ESEM (specifically, ESEM-within-CFA). My understanding of my dataset was that I must include the cross-loadings between all variables in...
20 April 2023 2,087 3 View
In the context of regression, methods for detecting collinearity are well described in the literature. In the context of exploratory factor analysis (EFA), however, I am facing a situation where I...
16 March 2023 8,373 6 View
In evaluating second-order structure, I have faced two common approaches in applied studies: 1) Some fit the second-order structure in an explicitly hierarchical model: the first-order structure...
08 December 2022 4,743 5 View
For the three-level meta-analysis, the package "dmetar" provides a function that calculates the I^2 (dmetar::var.comp()). But, this function only works for three-level models. Is there any package...
17 March 2022 1,989 6 View
Hello, I have a dataset with a three-level structure. Participants reported an outcome of interest for 3-4 aspects of an incident, and they reported 4 types of incidents (1 incident for each...
10 February 2021 4,598 3 View
Cohen's d can be calculated from ANCOVA, using the following formula (presented in Borenstein M. Effect sizes for continuous data. In: The Handbook of Research Synthesis and Meta-Analysis. 2nd ed....
22 March 2020 6,074 4 View
A new scale has recently been developed to assess quality of life. The WHOQL is another well-established scale. How can we compare these two in terms of psychometric properties to see if the new...
01 January 1970 4,344 5 View
