CATA and RATA webinar in EyeOpenR – 15 May 2024 @ 14:00 (GMT+1/UTC+1)

Product code: R-CATA-RATA May 2024

Remote training

May 15, 2024 - May 15, 2024

The remote learning package consists of a live lecture delivered online by one of the Qi Statistics team, together with a workshop for you to complete in your own time (solutions and data sets provided), plus a pdf of the lecture notes and email support whilst you are completing the workshop after the course for up to 2 weeks.

This module focuses on the statistical techniques for examining and summarising the relationships between attributes, using CATA and RATA data.

The course content is as follows:

  • Reasons for popularity of these techniques
  • CATA
    • Design of questionnaire, number of respondents required
    • Testing for difference using traditional non parametric methods (Cochran’s Q test)
    • Can we use ANOVA instead?
    • Visualisation of product differences using Correspondence Analysis and PCA
  • RATA
    • Development of Rate All that Apply
    • Testing for differences using ANOVA
    • Mapping using PCA

Exercises with solutions and interpretation will be provided iIllustrated with emotion and sensory examples using XLSTAT CATA routine, ANOVA and PCA .

To be able to perform the exercises you will need a full demo-version of XLSTAT (or licensed copy of XLSTAT Basic + Sensory module (for CATA routine)).

Length of Session:

Approx 1hr + workshop (+ own time for doing the exercises) – please check the timing of the session in your local area.

Course Pre-Requisites:

A basic understanding of statistics is assumed i.e. knowledge of statistical terminology and summary measures such as mean, variance, standard deviations, plus awareness of ANOVA and PCA techniques


XLSTAT will be used for teaching purposes, but it is not a pre-requisite to know XLSTAT to gain value from the course.



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$353.10$398.88 (Excluding any applicable taxes)

Other course information

This short course is based on the face-to-face training developed with Hal MacFie for sensory and consumer scientists, but instead offered in bite-size chunks redesigned for online learning, as part of a remote training package. You can sign up for as many or as few modules as you wish. They have been created to be delivered stand alone, although some may have pre-requisites regarding assumed statistical knowledge, so check the course details before booking!

  • After you complete your purchase you will receive an email with a link and password for the session.
  • A pdf of course notes and any other required course materials will be sent to you before the session, for you to print off