Spurious Reliability Increase?: The Number of Response Options in the Likert-Type Scale Influences Only Internal Consistency, Not Criterion Validity
Published online on June 23, 2026
Abstract
Assessment, Ahead of Print.
The existing research on the number of options in the Likert-type response format has focused primarily on reliability and descriptive statistics, often overlooking validity or examining it with limitations. This study addressed this gap through a within-...
The existing research on the number of options in the Likert-type response format has focused primarily on reliability and descriptive statistics, often overlooking validity or examining it with limitations. This study addressed this gap through a within-...