Revisiting the Evidence for the Left-Side Bias in Rating Scales
By Jim Lewis, PhD and Jeff Sauro, PhD . October 20, 2020 . Tags: Bias, TAM, Questionnaires, Rating Scales
Are people more likely to select response options that are on the left side of a rating scale? About ten years ago, we provided a brief literature review of the published evidence, which suggested that this so-called left-side bias not only existed but also was detected almost 100 years ago in some of the earliest rating scales. Across the publications we reviewed, the effect size