Aleem Ashraf

4 Questions 8 Answers 0 Followers

Questions related from Aleem Ashraf

What is the formula of Cohen's d in planned contrasts of ANOVA?

I'm unable to find the way to calculate effect sizes of planned contrast according to Cohen's d. Andy Fields only demonstrates how to compute them in Pearson r but that's not what I want. Please...

04 November 2021 7,888 3 View

Is Ryff's Psychological Wellbeing Scale a good choice for Adolescents?

The sample consists of adolescents from age 14 to 16. Some of the items seem inappropriate to me by the face value. Does anyone know if it has been used in any credible studies? I'd also...

19 March 2019 7,118 2 View

How to regenerate data reported in a paper?

How to regenerate data reported in a research paper to do your own analyses for confirmation purpose? What are the key things to be included in the article to be able to regenerate that data?

19 March 2019 1,109 3 View

What is considered to be a good item-total correlation (item discrimination) value for a Likert scale?

I am looking to test item discrimination of my newly constructed psychological well-being scale and would appreciate any references for suggested ranges of poor, good and excellent discriminatory...

04 March 2019 2,242 20 View