Boesch, 1991) - chimps being watched teaching hammer/anvil, observing students in classroom. Real and et al. , 1995) - subjects have no idea they"re being watched. Jane goodall - initial intent was to do naturalistic observation. Disguised - in study under false pretences - i. e. Rosenham (1973), on being sane in insane places - stop reporting symptoms once they"re admitted - other pateint"s realized that pseudo pateints were not ill - disproving label is difficult. Do research despite ethical fears if societal benefits outweigh costs. Situation in which researcher is fully or partially configuring situation participants are in. Also known as analogue behavioural observation - meant to represent naturally occurring situations. Example: wilson (1999) - why cognitively delayed children were more ostricized in academic and social situations. Confederate child told to reject some kids and then accept them. Observe what the told to reject some kids and then accept them. Observe what the kids do to get accepted.