Munich ChronoType Questionnaire.

MCTQ

What it measures

Circadian chronotype from actual sleep timing on work vs free days; yields mid-sleep on free days corrected for sleep debt (MSFsc) and social jetlag

Length and format

~17-19 (sleep-timing items for work and free days) + demographics. Clock-time and duration entries; computed chronotype (MSFsc) and social-jetlag indices (not a Likert sum) (self-report questionnaire)

Language versions

Many languages incl. EN, DE, ES, PT, IT, NL, ZH, JA; very broadly used

Normative data

No normative data held in our reference library for this instrument. That is a statement about our library, not about the published literature.

Licence

open with attribution

Licence classification is a research judgement by the catalogue’s authors, not legal advice, and it can be out of date. Confirm terms with the copyright holder or publisher before using an instrument, especially for commercial use.

Reference

Roenneberg, T., Wirz-Justice, A., & Merrow, M. (2003). Life between clocks: Daily temporal patterns of human chronotypes. Journal of Biological Rhythms, 18(1), 80-90.