Assessing metacognitive skills in waking and sleep: A psychometric analysis of the Metacognitive, Affective, Cognitive Experience (MACE) questionnaire

► Psychometric analysis of a measure of metacognition appropriate for use across conscious states. ► The Metacognitive, Affective, Cognitive Experience (MACE) Questionnaire is valid and reliable. ► The factor structure of the MACE includes one control and two monitoring factors. ► The psychometric properties of the MACE replicate and extend the Metacognitive Model.