Analysis of Check All that Apply (CATA) and Rate All that Apply (RATA) – 2 September 2021 @ 07:30 (GMT+1/BST)
Product code: R-CATA-RATA (AUSTRALASIA)
September 2, 2021 - September 2, 2021
Virtual option available
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
- 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
- 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 – it is being offered on two consecutive days to work around time zone issues
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
$264.83 – $294.25 (Excluding any applicable taxes)