Demand characteristics

Features of a situation tending to evoke a particular desire or response, or the behaviour or qualities of an actor which appear to ‘demand’ another or others to respond in some particular way.

(see also: Expectation, schema, priming, Observer effect»Observer bias, expectancy, placebo, double-blind, experimenter bias, belief bias, myside bias, prediction, probability, ideomotor effect, Nostramdamus effect, post hoc reasoning)