Examining Experiments Essay

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Examining Experiments a) Explain what is meant by a 'control group'. (2 marks) A control group is the group that you take control over and keep things constant so that you can see if there are the same or different changes in the experimental groups. b) Explain the difference between the dependent variable and the independent variable in an experiment. (4 marks) The dependent variable is the factor that is changed or influenced by an associated factor called the independent variable. The independent variable is controlled and manipulated by the researcher, in hope to affect the dependent variable and prove their hypothesis right or wrong. c) Suggest two criticisms of field experiments. (4 marks) Field experiments make it hard to verify that the causes that are identified are the real cause of the outcome. This is because the sociologist cannot control all of the variables in a scenario so it is hard to identify the correct causes.Field experiments do not usually gain the informed consent of the participants because it is thought that the participants will then act differently, due to it being an experiment and if they knew, it would 'give the game away'. d) Examine the reasons why some sociologists choose not to use experiments when conducting research. (20 marks)The three different experiments that sociologists are able to use are laboratory experiments, field experiments and the comparative method. Sociologists don't tend to use experiments as they include lots of practical, theoretical and ethical problems. In laboratory experiments, it is very difficult to control, as well as identify, all the possible variables that may have an influence on a particular scenario in the past. Positivists see it as possibly unethical to control all of the variables within laboratory experiments as most of the time, participants are unaware of the real reason they are
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