Legal document- British psychological society that instructs psychologists in the uk about what behaviour is and isn't acceptable when dealing with participants.
giving potential participants enough information about a study to enable them to choose whether they wish to participate. Overcome - p consent letter. Aware of right to withdraw.
Ensuring participations are not at more psychological/physical risk than normal in everyday life. Overcome- debrief= told behaviour typical and in extreme cases counselling is offered.