Studies of this phenomenon may make a useful contribution to broader consideration of the effects of taking part in research on participant behaviour. The paper includes a number of references to both informal and formal psychology experiments conducted by Orne and his colleagues. Orne, M.T., On the social psychology of the psychological experiment: With particular reference to demand characteristics and their implications. The demand characteristics of a situation are features that predipose people to act in a particular way. Psychology Definition of DEMAND CHARACTERISTICS: Anything that can influence or bias a person's behaviour. Demand characteristics refer to behavior that can sometimes be exhibited during psychological experiments. Background: The concept of demand characteristics, which involves research participants being aware of what the researcher is investigating, is well known and widely used within psychology, particularly in laboratory-based studies. Allen AP(1), Smith AP. I was reading another research methods chapter in a new psychology textbook the other day and despite it’s excellent content in research methodology, it still (I think) mis-defined demand characteristics. This prompts a reconsideration of demand characteristics in measures of experiential change across psychological science. This occurs when a person who is involved in an experiment has been influenced in someway. The Problem of Demand Characteristics in Imagery Experiments. ON THE SOCIAL PSYCHOLOGY OF THE PSYCHOLOGICAL EXPERIMENT: WITH PARTICULAR REFERENCE TO DEMAND CHARACTERISTICS AND THEIR IMPLICATIONS1 MARTIN T. ORNE 2 American Psychologist, 1962, 17, 776-783. Studies of this phenomenon may make a useful contribution to broader consideration of the effects of taking part in research on participant behaviour. If demand characteristics have been driving experience in other measures (and given the wide range of imaginative suggestion effects, this is not unlikely), psychology will be faced with a crisis of generalisability. It moves on to a discussion of demand characteristics, examining what they are, how they might affect research findings, and what can be done about them. Sometimes during an experiment, a participant might pick up on some clue or bias from the researcher, the situation, or something about the experiment that gives the participant and idea of what type of response the researcher is looking for. See experimenter effect- sensory leakage. Demand characteristics, pre-test attitudes and time-on-task trends in the effects of chewing gum on attention and reported mood in healthy volunteers. Demand Characteristic. The psychologist or person giving the test can give subtle hints or clues as to the outcome of the test and what is to be expected. In general, for example, a threatening question demands a submissive answer, it takes a lot to overcome the expectancies inherent in the context. Author information: (1)Centre for Occupational and Health Psychology, School of Psychology, Cardiff University, 63 Park Place, Cardiff CF10 3AS, United Kingdom. Background The concept of demand characteristics, which involves research participants being aware of what the researcher is investigating, is well known and widely used within psychology, particularly in laboratory-based studies. Learn vocabulary, terms, and more with flashcards, games, and other study tools. In the field of human experimental psychology it is now widely recognized that an experimenter's hopes and expectations about the outcome of an experiment can have considerable (usually unintended) effects on the actual outcome, sometimes to the point of invalidating the results (Rosenthal, 2002). Start studying Demand Characteristics A LEVEL PSYCHOLOGY. 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