Fajar Arwadi

9 Questions 5 Answers 0 Followers

Questions related from Fajar Arwadi

In a context of scale, what does that items of a construct share a high proportion of variance in common imply?

It is related to the convergent validity meaning the extent to which indicators of a specific construct converge or share a high proportion of variance in common and also, what is the difference...

20 June 2023 8,933 1 View

Does instrument developmental research such as to test the empirical validity of a scale apply inferential statistics?

For example, when the instrument has been logically validated by some experts about its content validity, and then the instrument will be empirically validated (e.g. scale item validity) to...

22 October 2022 2,438 5 View

What is the difference between paired sample t-test and gain analysis?

Both of them are frequently used to analyze the difference between pretest and post-test results or the increase from the former to the latter. What is the difference?

21 October 2022 6,883 4 View

What type of likert scale for respondents to self-measure their abilities in a given construct, 4-point or 5-point likert scale?

For instance, one of the items: I am able to operate computer. If I choose 5-point Likert scale, what neutral means? which one better for this case, 4-point or 5-point Likert scale?

14 August 2022 4,514 2 View

Correlation product moment or CFA?

I have read several sources that there are some methods to determine the convergent validity of an item, i. e. Pearson product moment correlation and confirmatory factor analysis (CFA). What are...

01 January 1970 5,107 5 View

What are the limitations of correlation analysis in construct validity for items in a scale?

why there are some using confirmatory factor analysis?

01 January 1970 7,531 3 View

What does that the percentage of variance of a variable is explained by a factor mean?

For example, the 50% of the variance of a variable A is explained by a factor B. What is the relationship between variable A and factor B that could be explained?

01 January 1970 291 4 View

How to categorize a respondent of a likert scale instrument into low, middle, and high category ?

I have four point scale and three constructs. One construct has much more items compared to the other two constructs. For instance, the construct A has 70 items, the construct B has 10 items, and...

01 January 1970 7,001 4 View

What is the difference among operational definition, indicator, and items in a survey-response scale research?

After a concept was specified, then the operational definition is determined to describe how concept is measured. Meanwhile, the indicators are the sign or the indication of the concept presence....

01 January 1970 1,558 1 View