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Reliability and Validity of the Japanese version of the Maladaptive Daydreaming Scale (MDS-16): Pilot Study

Reliability and Validity of the Japanese version of the Maladaptive Daydreaming Scale (MDS-16): Pilot Study - Pilot study of the Japanese version of MDS-16

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
JPRN
Registry ID
JPRN-UMIN000058568
Enrollment
60
Registered
2025-07-23
Start date
2025-02-19
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Not applicable (for general adults)

Interventions

None listed

Sponsors

CHIBA UNIVERSITY
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1) Age 18 years or older. 2) After receiving a sufficient explanation of the study and fully understanding it, participants are able to give their own voluntary written consent to participate. 3) Japanese native speakers who can understand the explanation in Japanese and can give their own voluntary consent. [Rationale for selection] 1~2) To take into consideration safety and ethics. 3) Fluent Japanese language ability is required to develop a Japanese version of the scale.

Exclusion criteria

Exclusion criteria: Those who meet any of the following criteria: 1) Those at imminent risk of suicide. 2) Those with antisocial personality disorder. 3) Those with severe mental disorders that may require hospitalization. 4) Those who have not been fully informed of the study and have not given written consent of their own free will. 5) Those who the principal investigator otherwise considers to be inappropriate as subjects. [Rationale for setting] 1-5) Due to ethical and safety considerations.

Design outcomes

Primary

MeasureTime frame
Primary Outcome Measures: 1. Internal consistency of the Japanese version of the MDS-16 (e.g., Cronbach's alpha) 2. Construct validity through correlation with related scales (e.g., DES-II, ASRS, PHQ-9) 3. Clarity and cultural appropriateness of items after translation and adaptation

Countries

Japan

Contacts

Public ContactSERTAP MARAL

CHIBA UNIVERSITY Research Center for Child Mental Development

maral@chiba-u.jp043-226-2975

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026