Paired t intervals beat CLMM for small-sample Likert data, researcher says

HCI researcher Ian Arawjo argues in an upcoming methods textbook that for small-sample within-subject Likert data (12 participants, 3 conditions), both Wilcoxon-based intervals and CLMMs perform poorly, and paired t intervals are the more reliable choice.

2026-10-19 ~ 2026-10-19 · 3 related posts

• Paired t-intervals beat CLMMs for small-sample Likert data, says HCI researcher — IanArawjo · 2026-10-19
• HCI textbook author: paired t-intervals beat CLMMs for small-sample Likert data — IanArawjo · 2026-10-19
• Wilcoxon and CLMM both fail badly on small-sample Likert data — IanArawjo · 2026-10-19