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Development and Validation of the Momentary Assessment of Psychotic Experiences: A Self-Report Questionnaire Measuring In-the-Moment Psychotic Symptoms Across the Continuum.

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Τίτλος: Development and Validation of the Momentary Assessment of Psychotic Experiences: A Self-Report Questionnaire Measuring In-the-Moment Psychotic Symptoms Across the Continuum.
Συγγραφείς: Barrick EM; Department of Psychological Sciences, Case Western Reserve University, Cleveland, OH 44106-7123, United States., Lincoln SH; Department of Psychological Sciences, Case Western Reserve University, Cleveland, OH 44106-7123, United States.; Department of Applied Psychology, Northeastern University, Boston, MA, 02115-5005, United States.
Πηγή: Schizophrenia bulletin [Schizophr Bull] 2026 Mar 07; Vol. 52 (2).
Τύπος έκδοσης: Journal Article; Validation Study
Γλώσσα: English
Στοιχεία περιοδικού: Publisher: Oxford University Press Country of Publication: United States NLM ID: 0236760 Publication Model: Print Cited Medium: Internet ISSN: 1745-1701 (Electronic) Linking ISSN: 05867614 NLM ISO Abbreviation: Schizophr Bull Subsets: MEDLINE
Imprint Name(s): Publication: 2005- : Cary, NC : Oxford University Press
Original Publication: [Chevy Chase, Md., For sale by the Supt. of Docs., U. S. Govt. Print. Off. Washington]
Ιατρικοί όροι (MeSH): Psychotic Disorders*/diagnosis , Psychotic Disorders*/physiopathology , Self Report*/standards , Ecological Momentary Assessment*/standards , Psychiatric Status Rating Scales*/standards , Psychometrics*/instrumentation , Psychometrics*/standards , Paranoid Disorders*/diagnosis , Paranoid Disorders*/physiopathology , Schizophrenia*/diagnosis , Schizophrenia*/physiopathology, Hallucinations/diagnosis ; Anhedonia/physiology ; Humans ; Female ; Male ; Adult ; Reproducibility of Results ; Middle Aged ; Young Adult ; Cross-Sectional Studies ; Adolescent
Περίληψη: Background and Hypothesis: Psychotic symptoms are dynamic, yet traditional assessments often measure them retrospectively, potentially missing meaningful symptom variability. Further, many measures are population-specific, limiting their use across the psychosis continuum. To address these gaps, we developed the Momentary Assessment of Psychotic Experiences (MAPE), a brief self-report questionnaire measuring in-the-moment psychosis across the continuum.
Study Design: Validation included cross-sectional administration in two community samples (n = 1948) and one clinical sample with psychotic disorders (n = 73), as well as a repeated-administration design in two control samples (n = 1604). Exploratory and confirmatory factor analyses were conducted in community and control samples, while internal consistency was examined across samples. Convergent validity was tested against the Paranoia Scale, Magical Ideation Scale, Revised Hallucinations Scale, and Revised Social Anhedonia Scale. Concurrent validity in the clinical sample was evaluated using the Scales for the Assessment of Positive Symptoms and Negative Symptoms.
Study Results: Analyses identified five factors: unusual thoughts and sensory experiences, paranoia, amotivation/anhedonia, social anhedonia, and negative affect. This structure showed excellent model fit and internal consistency in community/control samples, with comparable reliability in the clinical sample. MAPE subscales demonstrated moderate correlations with subclinical psychosis measures and interviewer-rated symptoms.
Conclusions: Findings support the MAPE as a valid and standardized measure of momentary psychotic experiences. By focusing on current state, the MAPE reduces retrospective bias and improves ecological validity. Designed for use across both subclinical and clinical populations, the MAPE also offers a unique tool for studying psychotic symptoms along the continuum.
(© The Author(s) 2026. Published by Oxford University Press on behalf of the Maryland Psychiatric Research Center. All rights reserved. For commercial re-use, please contact reprints@oup.com for reprints and translation rights for reprints. All other permissions can be obtained through our RightsLink service via the Permissions link on the article page on our site—for further information please contact journals.permissions@oup.com.)
Contributed Indexing: Keywords: assessment; momentary; schizophrenia; schizotypy; spectrum
Entry Date(s): Date Created: 20260321 Date Completed: 20260711 Latest Revision: 20260711
Update Code: 20260711
PubMed Central ID: PMC13005125
DOI: 10.1093/schbul/sbaf251
PMID: 41863371
Βάση Δεδομένων: MEDLINE
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  Data: Development and Validation of the Momentary Assessment of Psychotic Experiences: A Self-Report Questionnaire Measuring In-the-Moment Psychotic Symptoms Across the Continuum.
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  Data: <searchLink fieldCode="AU" term="%22Barrick+EM%22">Barrick EM</searchLink>; Department of Psychological Sciences, Case Western Reserve University, Cleveland, OH 44106-7123, United States.<br /><searchLink fieldCode="AU" term="%22Lincoln+SH%22">Lincoln SH</searchLink>; Department of Psychological Sciences, Case Western Reserve University, Cleveland, OH 44106-7123, United States.; Department of Applied Psychology, Northeastern University, Boston, MA, 02115-5005, United States.
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  Data: Background and Hypothesis: Psychotic symptoms are dynamic, yet traditional assessments often measure them retrospectively, potentially missing meaningful symptom variability. Further, many measures are population-specific, limiting their use across the psychosis continuum. To address these gaps, we developed the Momentary Assessment of Psychotic Experiences (MAPE), a brief self-report questionnaire measuring in-the-moment psychosis across the continuum.<br />Study Design: Validation included cross-sectional administration in two community samples (n = 1948) and one clinical sample with psychotic disorders (n = 73), as well as a repeated-administration design in two control samples (n = 1604). Exploratory and confirmatory factor analyses were conducted in community and control samples, while internal consistency was examined across samples. Convergent validity was tested against the Paranoia Scale, Magical Ideation Scale, Revised Hallucinations Scale, and Revised Social Anhedonia Scale. Concurrent validity in the clinical sample was evaluated using the Scales for the Assessment of Positive Symptoms and Negative Symptoms.<br />Study Results: Analyses identified five factors: unusual thoughts and sensory experiences, paranoia, amotivation/anhedonia, social anhedonia, and negative affect. This structure showed excellent model fit and internal consistency in community/control samples, with comparable reliability in the clinical sample. MAPE subscales demonstrated moderate correlations with subclinical psychosis measures and interviewer-rated symptoms.<br />Conclusions: Findings support the MAPE as a valid and standardized measure of momentary psychotic experiences. By focusing on current state, the MAPE reduces retrospective bias and improves ecological validity. Designed for use across both subclinical and clinical populations, the MAPE also offers a unique tool for studying psychotic symptoms along the continuum.<br /> (© The Author(s) 2026. Published by Oxford University Press on behalf of the Maryland Psychiatric Research Center. All rights reserved. For commercial re-use, please contact reprints@oup.com for reprints and translation rights for reprints. All other permissions can be obtained through our RightsLink service via the Permissions link on the article page on our site—for further information please contact journals.permissions@oup.com.)
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      – TitleFull: Development and Validation of the Momentary Assessment of Psychotic Experiences: A Self-Report Questionnaire Measuring In-the-Moment Psychotic Symptoms Across the Continuum.
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