Ravisha Jayawickrama

11 Questions 11 Answers 0 Followers

Questions related from Ravisha Jayawickrama

How to report results of Generalised Linear Mixed Models in a journal article?

Hi everyone, If you have written or come across any papers where Generalised Linear Mixed Models are used to examine intervention (e.g., in mental health) efficacy, could you please share the...

05 August 2024 4,075 4 View

How to interpret the fixed coefficients table in a GLMM?

Hi everyone, I ran a Generalised Linear Mixed Model to see if an intervention condition (video 1, video 2, control) had any impact on an outcome measure across time (baseline, immediate...

15 June 2024 2,103 4 View

Generalised Linear Mixed Models Assumptions and Covariate Identification?

Hi everyone. When running a GLMM, I need to turn the data from wide format to the long format (stacked). When checking for assumptions like normality, do I check them for the stacked variable...

13 June 2024 4,470 1 View

Generalised Linear Mixed Models SPSS guide?

Hi everyone, Does anyone have a detailed SPSS (v. 29) guide on how to conduct Generalised Linear Mixed Models? Thanks in advance!

10 June 2024 5,094 4 View

Converting Standard Error to Standard Deviation?

Hi everyone, I need to convert standard error (SE) into standard deviation (SD). The formula for that is SE times the square root of the sample size By 'sample size', does it mean the total...

08 May 2023 6,055 3 View

Intervention (psychological) meta-analysis

Hello everyone, I'm going to conduct a meta-analysis of psychological interventions relevant to a topic via Comprehensive Meta-Analysis (CMA) software. I have a few questions/points for...

01 January 1970 9,543 2 View

Comprehensive Meta Analysis (CMA)

Has anyone conducted a meta-analysis with Comprehensive Meta-Analysis (CMA) software? I have selected: comparison of two groups > means > Continuous (means) > unmatched groups (pre-post...

01 January 1970 3,670 5 View

Low Cronbach’s Alpha Value

Merry Christmas everyone! I used the Interpersonal Reactivity Index (IRI) subscales Empathic Concern (EC), Perspective Taking (PT) and Personal Distress (PD) in my study (N = 900) When I...

01 January 1970 3,881 4 View

Confirmatory factor analysis - Standardised Factor Loadings

Hello! In general, as a rule of thumb, what is the acceptable value for standardised factor loadings produced by a confirmatory factor analysis? And, what could be done/interpretation if the...

01 January 1970 3,959 3 View

Discriminant and Convergent Validity

Hi All, When looking at Discriminant and Convergent validity of a measure through Pearson's correlations, do I enter each item in the questionnaires, or the questionnaire totals? Thank you!

01 January 1970 8,730 4 View

Fragebogen zur Erfassung von Einstellungen gegenüber übergewichtigen Menschen” [Questionnaire for Measurement of Attitudes toward Obese People], Degne

Hi everyone, This may be bit of a stretch, but if you have used the following scale before, could you please tell me what higher (and lower) scores indicate? I cannot find the scale in English....

01 January 1970 1,334 2 View