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MAYSI-2

Definition

Massachusetts Youth Screening Instrument-Second Version; a brief mental-health screening tool for young people in juvenile justice settings, widely used in US detention intake but lacking normative data for non-US populations.

Full name
Massachusetts Youth Screening Instrument, Second Version
Purpose
Brief mental-health screening for youth
Typical setting
Juvenile justice detention intake
Limitation
Lacks normative data for non-US populations

Common questions

Why does the lack of non-US norms matter for using MAYSI-2 abroad?+

Screening scores are interpreted against a normative baseline, and applying US-derived cutoffs to a different population risks over- or under-flagging youth for mental-health concerns, so results outside the US context need cautious interpretation.

Is MAYSI-2 a diagnostic tool?+

No, it is a screening instrument meant to flag youth who may need a fuller clinical evaluation, not to establish a diagnosis on its own, and positive screens are typically followed by more detailed assessment.

Related terms

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JJ Act 2015 § 15
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Kent Factors
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Miller V. Alabama (2012)
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Montgomery V. Louisiana (2016)
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