Expectation and expectancy management

The manuals converge on the need for balanced, accurate communication about psychedelic treatment, with a clear emphasis on avoiding biased expectancy effects. Across the extracts, expectation is treated as something that can shape both treatment response and study interpretation, so the manuals recommend recognising patient expectations, avoiding overstating likely benefits, and not minimising harms. They also agree that facilitation and consent processes need to remain honest, non-coercive, and supportive rather than promotional. The sources also converge on the importance of preserving interpretive validity in trials. The trial protocol specifically recommends avoiding behaviour that signals expected assignment, using procedures that preserve blinding, and maintaining a neutral, supportive stance even when acute drug effects make assignment obvious. This aligns with the broader guidance that improper cueing can inflate outcome expectations and distort interpretation. The main difference is in emphasis. The SAP frames expectancy management as a general competency, including use of SETS-related information to assess positive and negative expectancies. The safety guidelines place stronger weight on ethical informed consent, the experimental status of the intervention, and the risk of unrealistic beliefs, including media-driven expectations and medication withdrawal. They also go further in flagging that inclusion may be ethically unacceptable when participants believe psychedelics will permanently free them from medication without evidence.