Questions tagged [likert]

Classically, a Likert scale was composed of the sum of many Likert items (ordinal ratings of the amount of agreement with a statement), where all the items were equally valid. Today the term sometimes is used synonymously with 'ordinal rating scale' (which may be based on only 1 item).

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How should I visualize my data?

I've conducted a survey of 20 questions using a 5-item Likert scale in which 10 people participated. In each question, the participants were presented with two versions of a picture and asked to pick ...
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Transforming scores between different rating scales – Importance of response options

I'm working on a meta analysis of the mean of a single variable (using arithmetic mean as the effect size, rather than the relationship between two variables). The attitude I'm assessing has been ...
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Estimating covariate effects on Likert-type response variable

I am working on a problem where we elicit medical residents perceptions regarding the importance of specific core medical competencies (professionalism, collaboration, medical expertise, etc.) on a 5 ...
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Linear Mixed Model non normal residuals large dataset (I.e., 1500 datapoints)

I have a relatively large dataset (around 1500 data points) comprised by around 90 subjects where each subject is measured 14 times on a likert scale -1 to 5-. When I analyze the data with the lmer ...
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Make 2D color histogram with uniform distribution (Likert scale)

UPDATE: I've been told that I cannot specifically ask for help in regards to the programming (MatLab and PR Tools), but instead should seek help for general techniques. So that's what I'm doing. Long ...
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Can you do a PCA on 3-point Likert to weigh items 20k responses

I am developing an inventory tool that has 21 items. I need to determine the weight of each of the items, as the presence of some may give a higher overall rating to a scenario than the presence of ...
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Likert Item, Regression analysis

HI there: I have a one likert item I would like to analyze. I know that most scales require multiple likert items, but this is just an exploratory exercise of an existing survey. It's out of my ...
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What is the best way to enter data to analyze answers from a Likert scale?

I need to analyze data regarding an item based on a Likert scale. Field data was arranged in Excel using tables that show the frequency of answers among respondents. What is the best approach to ...
3 votes
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How to properly analyze: 4-way ANOVA?

I have a dissertation research question which involves what I am thinking is appropriately analyzed using 4-way ANOVA. The dependent variable is a math anxiety score (uses 5-point Likert scale). The ...
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How to carry out a Likert scale analysis?

Context: My research aims to assess whether parents who have been involved in a relationship with a social worker are at higher risk of child abuse/neglect. I am trying to establish whether there ...
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1 answer
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Is multivariate ordinal regression suitable for my reserach?

I want to test what leads to the support for two policies (Likert scale ß disagree to strongly agree). There are independent variables, some of which are demographic and two are of interest (...
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How should I statistically analyze pre and post test Likert scale data?

So I used a survey, where I had the participants answer 4 Likert-scale questions both before and after a presentation. Ended up with 7 participants total. Since I want to compare their responses pre ...
2 votes
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How would you analyse two likert scales answered by the same people on several occasions?

I don't usually need to use stats in my work so this might seem like a basic question but, to me, it's baffling! I have two questionnaires that I'm giving to the same group of people who are ...
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Non-parametric testing for three way interaction effects

I'm looking for the appropriate test to perform to determine if there is a three-way interaction effect on my (non-parametric) likert-scale data. My data currently has a dependent variable with values ...
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187 views

How to best summarize Likert data (to use as an independent variable in a regression)?

I want to run a regression where one of the explanatory variables is a "summary" (details below) of a set of questionnaire questions that are answered on a Likert scale (although there are ...
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Interpreting Ordinal Independent variables when dependent is binary in Logistic Regression

I've searched the web deep and wide for an answer to my question. But there is little consistency to be found, which of course makes me very confused and thus leads me to asking here. I have a binary ...
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Is GEE a good replacement for ANCOVA to analyze change from baseline on 8-points Likert item?

I was asked to analyze adjusted change from baseline. The variable of interest is a customer answer reported on 8-point Likert scale, but constructed from numbers 0 - 8, rather than labels ("weak", "...
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What is an appropriate way to re-scale ordinal features, for cluster analysis? AND any thoughts on euclidean-distance for ordinal data?

Background I have data from surveys (on political views from CSES) with answers from respondents in ranking-scales, either 0:10 (0, 1, 2, ..., 10) or 0:3 (0, 1, 2, 3). I want to analyze this data ...
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Help choosing statistical test

I need help deciding which statistical analysis I should run. I am examining individuals with or without a chronic illness and if they differ on 2 questionnaires (1 is health literacy and the other is ...
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Will there be a difference in my results if I set my data as nominal rather ordinal (using likert scale variables)

I have just received the results from a quesionnaire I did where some of the questions were in likert scale, 1 (Strong agree) to 5 (Strongly disagree), with Neutral in the middle. I would like to ...
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Can a summed ordinal Likert scale be considered a scale variable?

I have a 16-item questionnaire that measures responses on a 5 point Likert scale from 1 = none of the time, 3 = some of the time, 5 = all of the time. I define each item as an ordinal variable; ...
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Likert scale and statistical analysis for hypothesis testing

I am trying to test a hypothesis that the quality of photographic images of big cats will reduce the ability of humans to identify one individual from another based on fur markings. To test the ...
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Measuring Difference Between Two Sets of Likert Values

I asked users to complete a likert survey (1-5) at the start of an activity and at the conclusion of the activity. What is the best manner to show the rate of change/difference between these two ...
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599 views

Multivariate multiple regression with multiple ordinal dependent

I have a statistical quandary I'm trying to solve, hopefully someone here can help. I have a data set with several dependent variables measured as ordinal Likert items and I want to measure the ...
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43 views

Detecting a significant change in survey answers

I conducted a user study where participants were asked to rate the relevance of search results on the following scale: "very unrelevant", "unrelevant", "relevant" and "very relevant". Every ...
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187 views

Which cluster analysis for ordinal temporal data?

I would like to perform a cluster analysis but I’m not sure which is the best algorithm to apply to my data. My dataset is made of 200 cases (but the sample size can be enlarged). For each case, I ...
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creating a formative construct from 4 items in SPSS

Below is an excerpt directly from a paper that I am attempting to replicate. The 4 items are survey data collected on a likert scale and I have a sample of 150 responses. I would appreciate any help ...
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How to obtain statistical information from a Likert scale with a sample size smaller than the number of questions?

Research and sample properties I'm measuring the degree of a certain concept related to marketing and sustainable development throughout an entire industry. The theoretical model is depicted next: ...
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CFA power analysis using existing Likert-type data with lavaan and simsem in R

To preface, this is my first foray into CFA and SEM, so please forgive me as I am likely making a number of unwitting mistakes. I am currently working on a study to validate a proposed psychometric ...
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How significatly less accurate is information we get from a 3 point scale rating system compared to a 5 scale rating system?

We are trying to add a rating system in our website and we are not sure whether to implement a 5 star rating system or a 3 scale(like,ok, don't like). The pro for the 3 point scale is that users would ...
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163 views

Comparing pre and post responses of anonymous survey data?

We have a survey with a pre and post question on student interest toward science (likert scale -" I am interested in science"). The survey was conducted in a large district and we have ...
2 votes
2 answers
691 views

Small sample, Likert scale as independent variable

I have a small sample of 25. The question of interested has a yes/no response (Do you own a car?) . I then have a series of questions with five point Likert scale responses, strongly disagree to ...
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weighting of ordinal responses

I have seen some analysis of a survey where responses across a dozen similar questions which identified perceived problem issues have been weighted to create a composite score. Possible responses to ...
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Transform a sum of Likert items to normality

I am analysing data from a survey. There are 11 items, each to be answered on a 5 point Likert scale. It seems reasonable to summarize the results by taking their average, which can then be the ...
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Likert scale survey student response independence

We administer a confidence survey (likert scale) comprising of 30 items and have conducted PCA to examine dimensionality, item independence and the like. We also conduct student interviews to assess ...
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120 views

Ordinal logistic model in R

I have the neuropsychiatric questionnaire scores of 300 individuals, of which 200 are normal, and 100 have the disease. The questionnaire is divided into 12 categories (delusion, agitation, ... etc). ...
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Under what conditions should Likert scales be used as nominal data?

Similar to this question, Under what conditions should Likert scales be used as ordinal or interval data?, I am curious under what conditions should/could Likert scales be used as nominal data?
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How does my questionnaire analysis plan sound?

I will soon have the results of a questionnaire that I have carried out, and I have made a plan on how I will analyse the data. I was hoping that someone could comment on my plan to advise me. About ...
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Looking for a Good Text on Statistical Analysis of Satisfaction Data

I am looking for a good textbook (or other resource) that covers the analysis of satisfaction data. Most of my data uses likert-type scales. Can anyone recommend something with examples?
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Is there any "standards" for minimum variance of likert-type measured variables?

I want to develop a questionnaire. Because the target population are children, I used 3-point likert-type scale (0 1 2) for my items. Now I want to remove invariant items (i.e. the items not having ...
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How to test difference between two items rated on a Likert scale by same participants?

I have conducted a survey with multiple 5 point Likert scale questions ranging from 1 = very unimportant to 5 = very important. I used frequency distributions, and stacked bar charts to show which ...
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Which correlation analysis is appropriate for binary and ordinal variables?

Violin players were asked to rate 5 violins from least to most rich on a [0 1], 0.05-increment scale, ...
2 votes
1 answer
199 views

What test to compare pre and post test both Likert scale (1 to 5)

What test to compare pre and post test both Likert scale (1 to 5). N=5. Have looked at t-test, Wilcoxon and sign test. Don't know if assumptions for the tests are met.
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Earth Mover (Wasserstein) distance for ordinal discrete data

I am doing data analysis for my Masters research and which includes some Likert scale type questions. I have been calculating some distances between the responses for these questions. All this has ...
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How to use CFA in R to justify averiging of Likert scale and further calculation

I am currently writing a paper for school and currently have 3 sections of questionnaire questions based on the Likert scale, where each section has 4 questions that I need to group together. Further, ...
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Discrimination index or item-test correlation?

The discrimination of an item can be calculated as: $$D = \frac {K_h-K_l}{N}$$ Where $K_h$ is the number of correct responses from the high scoring group, $K_l$ from the lowest scoring group (top and ...
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Running an ANOVA on a likert scale question

My participants heard two kinds of stories i.e. two conditions and rated two protagonists in each of these stories or conditions on a Likert scale of -5 to +5. So I had two conditions, eight stories (...
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Between Subjects Likert Analysis -- Treat as Ordinal or Continuous for Stats Test?

I have 4 groups in a between subjects design answering likert scale questions. I am wondering how to analyse the data. There are 20 questions for each user in each group of 30 (so 120 people all ...
1 vote
1 answer
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Confidence Intervals for Likert Items

Background As part of a community survey looking into environmental habits, I have 22 Likert Scale questions each with six Likert items. As for the sample size, we have over 65 responses to each ...
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Normalize discrete data on a scale from 0 to 10

I know this subject must have been treated already but I can't figure out how to deal with my problem on an example different from my situation : I measured pain on different location with a Likert ...

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