LIKERT data & ordinal regression

Question 1

What summary statistics do you use for LIKERT data?

Answer 1

a) median; if median is agree, more than half agree with the statement
b) inter-quartile range
c) proportions answering each question

Question 2

What methods would you use to visualise LIKERT data?

Answer 2

a) bar plots
b) heatmaps
c) density plots

Question 3

How would you analyse paired LIKERT data?

Answer 3

a) individual questions: paired t-test or Wilcoxon
b) summary scores: regression analysis with change as dependent variable
c) proportion of high/low: chi-squared

Question 4

What are the assumptions of ordinal regression?

Answer 4

a) proportional odds: odds at each factor level are the same across all categories