Hamid Sharif-Nia

4 Questions 16 Answers 0 Followers

Questions related from Hamid Sharif-Nia

When do we use factor analysis based on Covariance matrix?

Dear researchers, When do we use factor analysis based on Covariance matrix instead of correlation matrix? Hamid

04 September 2018 950 3 View

How much must the correlation between the extracted factors in "exploratory factor analysis" be in order to be able to use orthogonal rotations?

Dear researchers greeting How much must the correlation between the extracted factors in "exploratory factor analysis" be in order to be able to use orthogonal rotations? For example: we have...

29 December 2016 1,040 4 View

Can “criterion validity; especially “predictive validity” be determined by the use of “receiver operating characteristic (ROC)”?

Dear researchers and collaborators I conducted a study with purpose of “evaluation of psychometric properties of X Scale…”. “X scale” is a scale that has been designed and it is still being used...

11 December 2016 5,256 6 View

How are the variables adjusted in repeated measurement test?

How do adjusted variables in repeated measurement test?

21 November 2015 3,127 9 View