# What statistics does one use for a Likert scale?

My data was collected by likert scale. Are they ordinal or interval data? and Can I use Factor Analysis to analyze these data?

My data was collected by likert scale. Are they ordinal or interval data? and Can I use Factor Analysis to analyze these data?

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Rip StaufferWhat's generally best is to get large enough good random samples (and I MEAN random samples) that you can use the proportions meaningfully. What proportion answered 5? What proportion answered 1? You can do a lot with that information.

Pablo Zuglian· Università degli Studi di Milano-BicoccaRip StaufferSo, I'm always skeptical. If you can prove that your scale has the necessary discrimination to allow for factor analysis, then do it. For most applications I see in practice, it's better to just track the proportions.

Cristian Opariuc-Dan· Universitatea Ovidius ConstanţaMateusz Stopa· Wyższa Szkoła Informatyki i Zarządzania z siedzibą w RzeszowieMateusz Stopa· Wyższa Szkoła Informatyki i Zarządzania z siedzibą w RzeszowieIt is not that advanced as IRT (which I find completely interesting, but I don't know much about it). However, simple but convenient.

Abhishek Syal· Massachusetts Institute of TechnologyBesides, Likert data is generally a summative scale.. you can sum some of the items into a group and collectively analyze.

Abhishek Syal· Massachusetts Institute of TechnologyMuhammad Tahir· AKU, BMUMateusz Stopa· Wyższa Szkoła Informatyki i Zarządzania z siedzibą w RzeszowieMuhammad Tahir· AKU, BMUNorman Bravo· Independent ResearcherAbhishek Syal· Massachusetts Institute of TechnologySelman Repišti· UnemployedBalaji Thirugnanam· SVS INSTITUTE OF MANAGEMENT STUDIES, COIMBATORESelman Repišti· UnemployedAnjali Upadhye· Sinhgad Institute of Business Administration and Computer ApplicationsSantosh Gite· University of MumbaiRayalu K K V· IASE, AP, Indiathe average of strongly agree and strongly disagree will be AGREE, so average can we use one can introspect... Median and mode can be used, that is no of disagree or agree can be counted and compare similarly median...

A'ang Subiyakto· Syarif Hidayatullah State Islamic University JakartaBro Mario O. Bourgoin, do you have justification for the interval assumption? it may be articles or others. Thank you

Norman Bravo· Independent ResearcherYes, it´s ordinal, and yes, you can use AF, but you will have to study a lot....

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