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Identify the basic elements of an experiment. Discuss how using a control group in an experiment allows the researcher to make causal interpretations.
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Identify the basic elements of an experiment. Discuss how using a control group in an experiment allows the researcher to make causal interpretations. Experimentation is a research method which enables psychologists to test for a hypothesis. This essay will define the basic elements of an experiment and to discuss how using a control group in an experiment allows researcher to make causal interpretations. Psychological experiment is data collection which helps researcher to recognize the stimulus- response relationship. Experiment proceeds under experimental conditions following the statements of hypothesis. A hypothesis is a predicted relationship between variables and a tentative solution to researchers' problems (Mcguigan, 1993). If the hypothesis is proved as true, a theory is established. The hypothesis is true if independent variable produces lawful changes in dependent variable (Mcguigan, 1993). Independent variable is a stimulus or circumstance presented in the experiment and is manipulated by experimenters. The response or...
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