(social sciences) One doing participant observation.

Alternative form of participant observer

plural of participant-observer

(social sciences) A research methodology used in some social sciences to gain familiarity with a group of individuals and their practices through an intensive involvement, usually over an extended period of time.

plural of participant observer

Alternative form of nonparticipation

plural of non-participation

A percentage of net income (rather than gross income) paid to somebody who has contributed to the making of a film.

(medicine, statistics) A skewing of data in randomized medical studies that occurs when healthy participants are less likely to drop out of the study than sicker patients.

(chemistry) Any of many effects in organic chemistry in which the course of a reaction, or its rate, is affected by the presence of a neighbouring functional group; anchimeric assistance