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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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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2answers
28 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
45 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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40 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
66 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
47 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
34 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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12 views

Is a Likert item correct for this analysis, and how can I calculate the results?

I have a set of data, and for each element I wish to declare it as yes, no or maybe. In order to compare my decisions with consensus I want to conduct a small survey. I thought a Likert scale 1-5 ...
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19 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
39 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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30 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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1answer
34 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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3answers
148 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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43 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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96 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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2answers
23 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
44 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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57 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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0answers
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
115 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
165 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
65 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
35 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
37 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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22 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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41 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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0answers
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
414 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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45 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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0answers
43 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
233 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
44 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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16 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
59 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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0answers
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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2answers
47 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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55 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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3answers
57 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 ...
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116 views

5 Likert Scale and Normal Distribution prior to parametric testing

I have data from a 5 point Likert scale item which approximately 1/4 of the responses only account for 1 through 4 of the 1 through 5 available. Do I have to standardize the min/max response ...
2
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1answer
219 views

Effect of two demographic IVs on survey answers (Likert scale)

I have 4 questions in a survey with Likert-style answers (i.e. 1–5) – and the participants have also answered the demographic questions (country and study-years) – which test do I need to find if the ...
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0answers
19 views

Can composite scores of Likert scale be obtained? [duplicate]

I am using a Likert scale for a group of 3 questions. Strongly Agree Agree Undecided Disagree Strongly Disagree I have 3 questions with these possible responses under the category "Effectiveness". ...
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1answer
60 views

How to rank criteria based on survey response?

I have made a survey to weight the importance of different features of a credit card using a 5 point Likert scale with scores (very important = 5...neither important or unimportant = 1). I have 8 ...
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1answer
54 views

Detecting 'causality' in Likert-time series data

[Note] I've decided to re-write my question for the sake of brevity. The original question can be found below. Suppose a number of individuals fill in a questionnaire at a multiple number of time ...
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0answers
94 views

Different Likert scales used in statistical anlysis [duplicate]

I am using different Likert Scales in questionnaire. Three dependent variables have Likert scales of 4 points, 2 points and 2 points. Three independent variables have 3 points scales. One moderating ...
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0answers
61 views

Correlation between different groups (based on an ordinal variable) and a Likert variable

I have a table with responses of a survey. Now I want to test the statistical significance between 3 groups of respondents. There are two columns I'm interested in. The first is an ordinal variable ...
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1answer
71 views

Can I use Mean values of likert resposes instead of factor scores in case of skewed values?

I have five point likert scale responses ((1-most imp, 5-least imp) for 14 items that I want convert them into 5 factors with confirmatory factor analysis. I already have designed which item should go ...
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0answers
77 views

How to calculate statistically relevant number of surveys when measuring NPS

NPS Explained: The customer is asked, "How likely is it that you would recommend [your company] to a friend or colleague?" and customers respond on a 1-10 scale I receive a large number of ...