Acceptability and Feasibility of a Brief Paranoia Intervention.

Inclusion Criteria: * Aged 16-18 * Seeking help from a Child and Adolescent Mental Health Service (CAMHS) * A score ≥ 11 on the R-GPTS (Scale B) * Sufficient understanding of English * Capacity to consent, as assessed during the initial interview * Wanting support with paranoia * Low- moderate mental health risks (emotional difficulties that impact functioning, but no immediate risk to safety e.g., no suicidal intent). Exclusion Criteria: * Severe comorbid diagnoses apparent at the initial assessment (e.g., a primary alcohol or substance dependence issue measured using standardised assessments) * The presence of a developmental disability or cognitive impairment that would interfere with participation. * Concurrent participation in another psychological therapy * High levels of current risk (e.g., significant and immediate concerns about the young person's safety, such as suicidal intent).