If the Morning-Evening Questionnaire (MEQ) is able to predict the actigraphy-based acrophase, how does its reduced, five-item version (rMEQ) perform?

Dear Editor,We have recently shown that the score yielded by the Morning-Evening Questionnaire (MEQ) (Horne & Ostberg, 1976) can be used to predict the acrophase measured by actigraphy in a sample ...