Αχιλλέας Κωστούλας * Ιστοσελίδα και Ιστολόγιο
Although I am not a statistician, through some quirk of Google's search algorithm, it appears that I have become promoted to a go-to internet expert on Likert scales. This is sometimes awkward, especially when a less-than-perfect blog post is cited in a peer-reviewed publication, but I can live with that. On the other hand, I tend to …
Elsewhere in this blog, I have written that a Likert scale might consist of several overlapping items. For instance, if I want to measure subjects' attitudes towards sweets, I might ask them to record how they feel about the following statements: Strongly Agree Agree Disagree Strongly Disagree 1. I like chocolate. 2. I like cookies …
Continue reading "How to summarise Likert scale data using SPSS"
I have found it moderately bemusing that my post on Likert scales has received so much attention, considering that I had only intended to mention statistics in passing, in order to make what I perceived to be a more broadly relevant remark. Because my authorial intention was not to educate readers in statistics, the views I expressed in that …
Continue reading "On Likert scales, levels of measurement and nuanced understandings"
I was sent the following question on Likert scaling: Could you please offer a brief explanation: what is the true mid-point of a 7-point Likert scale? Also, how much deviation in "mean" or "average scoring" is significant? In other words, is the difference between 2.09 and 2.39 significant? Or does the gap need to be …
Likert scales are among the most frequently used instruments in questionnaire surveys. They consist of a statement and a range of pre-defined responses which measure the intensity of one’s feelings towards the statement. Here’s an example: Figure 1 Example of a Likert scale Likert scales are easy for respondents to understand, and easy for researchers …
Continue reading "Four things you probably didn’t know about Likert scales"
