What is the study about?

Timing and value of participant vouchers to improve questionnaire return rates in the STADIA (STAndardised DIagnosticAssessment for children and adolescents with emotional difficulties) Trial.

Who can take part in the study?

Participants of the Stadia trial

What is being tested in the study?

To investigate the effects of the timing and value of participant vouchers on questionnaire return rates in a randomised trial involving children and young people and their parent/carers. Participants will be randomised to receive a single £20 voucher, conditional on completion of the 12-month questionnaires or up to two £10 vouchers, conditional on questionnaire completion at each of the 6- and 12-month time-points.

Funder

National Institute for Health and Care Research - Health Technology Assessment (NIHR - HTA)

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