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Research Methods: Advantages and Disadvantages

Laboratory Experiment: A true experiment involves the experimenter manipulating one variable (the
independent variable) and measuring what effect this has on another variable (the dependent variable). In a
laboratory experiment this involves strict control over extraneous variables through a standardised procedure
in a controlled environment.…

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Controlled Observation: Recording of spontaneouslyoccurring behaviour in conditions set up by a
researcher, in a laboratory for example.




Participant observation: Type of research in which a researcher becomes involved in the everyday life of
the participant with or without their knowledge.




Structured Interview: Interview in which participants are asked a…

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Questionnaire: Written method of gaining data from participants that does not necessarily require a
researcher to be present.




Case Study: Indepth and detailed study of an individual or particular group. It is often applied to unusual
examples of behaviour. It involves interviews and data gathering.




Content Analysis: Content of a…

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