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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Correlation of likert scales for different questions

Can you correlate 2 Likert scales when the question for each one was different? I have 1 question which asks how concerned someone is about pollution. They rank this on a Likert Scale of 1-5 where 1 ...
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25 views

correlation between factors

I am new to statistics and SPSS. I have a questionerre having 30 likert scaled questions, and 5 factors each having 5 or 6 questions. I made the reliability analysis and no problem is found. all ...
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17 views

Can I convert my likert scale to numbers and then take an average in order to know if there is a correlation between two variabes?

I need some help about some data. I have an indicator of performance and a likert scale. Would it make sense if I assigned a value to each category on my likert scale (ex.: ...
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35 views

Hypothesis Testing using dichotomous and 7-point Likert scale

I am working on testing the following hypothesis: H1: People who are worried about their health will consume yogurt H0: People who are worried about their health will not consume yogurt I have ...
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50 views

How can I test if there is a correlation between a score and a likert scale?

I'm having difficulty finding out what I can do with my data set. It comes from a french reading test that have 30 multiple choice questions. For each of these questions: I have the facility value ...
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58 views

GLM, Regression analysis, or other

I need to resolve a question with the use of SPSS, but don't really know what model to use. The question talks about the environment (scale variable (from not at all concerned - very concerned)), I ...
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7 views

Correlating two Likert type items

I have done a survey using a questionnaire that involves Likert type questions. The answers range from 1 - Strongly agree to 5 - Strongly disagree. In this questionnaire I have included some control ...
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24 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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9 views

Is it advisable to use t test for comparing two modules in SAP?

I have two independent samples from the maintenance and materials departments regarding the effectiveness of SAP modules. I have a likert scale data on a scale of five. Shall I use independent sample ...
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44 views

Linear regression and ordinal data

I am running a multiple regression looking at whether TV viewing predicts waist circumference (WC). When I ran through the tests with my tutor we placed WC as the dependant and TV as independent, then ...
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22 views

Should 'do not know' be included when reporting summaries of survey results?

When reporting the results of surveys, we often list the percentages of respondents who gave different answers. However, these percentages could be calculated including people who said 'do not know' ...
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41 views

Which test do i choose to conduct on my Likert scale data?

I have been doing plenty of research into which test I should use on my Likert scale data and i am becoming more confused as there are so many people saying different things. I am currently doing my ...
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2answers
67 views

Correlation analysis: Spearman's $\rho$ is significant, but Pearson's $r$ is not - with likert scale

I am doing a correlation analysis testing summated likert scales. However, one of the correlation analysis shows an unsignificant pearsons r (p = 0.068), BUT spearman's rho is 0.044. What should I ...
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42 views

Quantifying Potential for Violence/Espionage

I am planning a seven-question Likert-type survey with a "1 to 10" scale. The questions I am asking in the survey are to assess an individual's risk factors (how much risk they present to an ...
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1answer
11 views

How to see if one (or one set of commonly answered) question(s) impacts/statistically influences another question/set of questions?

I'd like to review the results of a recent survey I conducted. I'd like to see how one set of answers may/may not have influenced another set of answers. For example: If users who answered ...
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1answer
80 views

Ordinal Data analysis

I have to analyze the results of a survey. The questions regard different motivators that the interviewees encounter ("I do it to help my colleagues" as a motivator for instance); all the answers are ...
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1answer
63 views

Likert item as independent variable for ANOVA?

I am trying to analyze data based on a sample size of around 50 and would appreciate advice on which statistical test would be most appropriate. Participants, on a single questionnaire, were asked to ...
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1answer
41 views

Can I use averages of a likert scale as a dependent variable in ordinal regression?

I found similar threads on the forum, but none seems to apply to my case, so I decided to post the question. My response variable is an ordered 1-4 likert scale. I asked three subjects to rate the ...
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20 views

Is binning a skewed Likert scale variable justifiable?

I have recently advised some colleagues on the malpractice of binning a continuous variable, which was used in order to put it as a covariate in a regression model and retained as a significant ...
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1answer
46 views

K-means cluster Analysis and 4-point Likert Scales

Is there a concern using a 4-point likert-type scale (i.e., agreement) when attempting a cluster analysis using k-means clustering? Most of the data for the items in my data set are favorable (e.g., ...
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12 views

How to analyze a variable measured on a Likert scale and its interaction with another variable? [duplicate]

I have to analyze this variable which consists of scores given to 3 items (1-9 scale). This "Likert scale" measures "brand commitment" if thats important. 1) Firstly, should I compute 1 new variable ...
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35 views

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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44 views

What tests are used to see if there is a statistically significant improvement in the pre post intervention study?

Conducted a survey (pre and post) on four questions using Likert scale. Based on the number of responses for agree and strongly agree pre and post intervention, computed the relative improvement. I ...
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193 views

Reporting the use of different likert-scales in survey for structural equation modelling?

Suppose you are doing a survey and from the data you want to build a structural equation model. The research model consists of 5 constructs and each of them has between 2 and 5 items. The survey uses ...
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47 views

Discriminant analysis

I want to do a discriminant analysis for my study. This study consist of one dependent variable and 8 independent variables. The dependent variable is categorical and has 2 groups. The independent ...
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147 views

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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25 views

What statistical tests would be effective for this design?

Here the basics: Group 1 is the control group, they are given a specific website to use. Group 2 is the experimental group, they are given a similar website, with adjusted hypertext properties. ...
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3answers
48 views

Analysing the correlation of two ranked scales

So I am researching if self-esteem has an effect on hearing aid satisfaction in patients. The patients have filled out two questionnaires, the first measuring self esteem, the second measuring their ...
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70 views

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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14 views

theoretical profile correlation

My data (n > 4000) contains the results of two separate tests (instruments). I have a profile made from likert scales for one of the instruments (S1, S2, ... S20). I want to find the corresponding ...
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1answer
146 views

Calculating scale mean from item means

I'm working on a review paper and need to collect the means and standard deviations of a given measure (such as a measure of depression) from papers of interest. However, some authors report means and ...
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2answers
204 views

Treating ordinal variables as continuous for regression problems

In the social sciences I have encountered that it is common to treat ordinal variables as continuous, for example variables originating from rating or Likert scales (strongly disagree, disagree, ...
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2answers
70 views

Analyzing relationship between two Likert-items (is it possible?)

I am a student and am new to statistical market research. Is it possible to analyze the dependence of answers to one Likert-type item on answers to another Likert item (predictor)? If so, what test ...
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1answer
37 views

Is mixed logit simulation appropriate for categorical data which include likert ratings?

I have data from a study where subjects were shown videos and asked to identify the contents as one of two options, as well as to rate their confidence of correct classification on a likert scale of 1 ...
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1answer
39 views

How to value comparative Likert results

I have absolutely no knowledge of statistics. My question is how to make sense of some evaluation results I received. The attached graph represents my results of a Likert question compared to my ...
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24 views

Convert a numeric variable into categories - median? absolute value?

Hi: I have a three numeric, continuous variables that are the factor scores that result from a factor analysis of 14 likert items. The analysis suggested three factors. The scores range from about -3 ...
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45 views

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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10 views

Methods for analyzing pre/post test data [duplicate]

What methods of analysis are utilized for pre/post test data when outcome are knowledge scores? In addition what methods of analysis would be used for Likert behavioral score data?
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13 views

What is the best way to analyze data from the Likert scale [duplicate]

The Likert scale is being used during a telephone survey to gather patient responses to 5 statements regarding educational material provided during his or her surgical experience. The scale ranges ...
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1answer
641 views

Correlational study or ordinal data using 5-point Likert scale

How do I calculate the correlation using ordinal data based on a 5-point Likert scale associating perioperative education to patient satisfaction scores? A numerical value (...
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50 views

combining two categorical variables

I have one five point Likert scale variable (importance levels) for accessibility to a certain facility, and another three-level categorical variable (preferred distance). I want to combine these ...
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48 views

Dimension reduction for likert questions, cronbach alpha

I need some input on how to proceed with my data. I have collected data from household survey on 180 sample to find out the importance given to the attributes in a residential location decision. The ...
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2answers
277 views

How to 'normalize' data to account for level at baseline?

In the beginning of an experiment, subjects are required to report on their initial emotions / mood using Questionnaire#1. After the experiment is conducted, the subjects fill another mood ...
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1answer
50 views

Is there an advantage to rescaling a set of Likert items from 1-5 to 0-4?

I have a set of Likert type items asking respondents their attitude on different topics. For example, attitudes toward drugs/alcohol where 1=strongl disagree and 5=strongly agree to the statement "I ...
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0answers
17 views

How do I determine the significance of a difference in weighted averages from a Likert-type survey question?

I have multiple survey questions that give respondents 4 Likert-type options for a response to qualify their knowledge/skill in a particular area. I have calculated a weighted average (and divided by ...
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2answers
64 views

Survey data validation with inverted questions

I have a survey using a Likert scale and two inverted questions out of twenty. Using R how can I identify (and maybe filter out) the respondents that always tick agree, for example, and thus did not ...
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23 views

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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53 views

What are some scales other than Likert Scale?

I am new to this site. A greenhorn at designing surveys, got a data collection question. I designed a question to gather what individual thinks with regards to doing X at different locations L1, L2, ...
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58 views

Regression analysis with likert items

I am trying to analyse the relationship between some independent variables and a dependent variable where the independent variables are on a scale 1 (too weak) to 10 (too strong) with 5 being an ideal ...
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59 views

What statistical test should I use and for what reason?

My dependent variable is an index from annual reports of companies (ranging from 0 to 1). The independent variables will be measured with Likert scales (individuals in each company will respond to the ...