Extraneous variables 0.0 / 5 ? PsychologyResearch methods and techniquesA2/A-levelOCR Created by: Steff06Created on: 10-06-16 13:41 What are the 4 types of extraneous variables? Situational variables, participant variables, experimenter effects and demand characteristics. 1 of 7 What are situational variables? Aspects of the environment that could affect a participant's behaviour e.g. noise, temperature, light levels. 2 of 7 How can situational variables be controlled for? Standardised procedure used for all to ensure conditions are same for all participants. 3 of 7 What do participant variables refer to? The ways participants vary from each other. E.g. mood, intelligence, concentration. 4 of 7 How can participant variables be controlled for? By using a different experimental design or randomly allocating participants to the conditions. 5 of 7 What are experimenter effects? Experiment bias where the experimenter can give clues to participants about how they should behave. 6 of 7 What about the experimenter can also affect the participant's behaviour? The personal attributes e.g. gender, age, accent. 7 of 7
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