“…The intervention development was guided by a literature review, a survey and an intervention mapping process. The intervention addressed the theoretical constructs of the Extended Organ Donation Model (attitude, subjective norms, perceived behavioural control, anticipated regret, descriptive norms, religious beliefs, non‐cognitive beliefs, intention and signing donor card) (Khoshravesh et al, 2020). To do this, we determined our change objectives (e.g., express behaviour control to signing the donor card) using behaviour change techniques (BCTs).…”