Designs Discussion

Running Head : Design of Experiments

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A design is used to structure a given research and shows how all of the major parts of a research project can work together to try to address the fundamental research questions . Experimental design or design of experiments refers to the set in design of all information-gathering movements where variation is present , regardless of whether it is under the full control of the experimenter or not . Often the experimenter has interest in the effect of some process or

intercession on some objects which may perhaps be people . Design of experiments is hence a discipline that has a very broad application across the entire natural as well as social sciences (Mead , 1990 ,

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As far as the design of experiments is concerned , independent variables are those whose values are controlled or selected by the person conducting the experiment to determine its affiliation to an observed phenomenon , that is , the dependant variable . In such an experiment , an attempt is made to discover evidence that the values of the independent variable can be altered as required , and its values do not represent a predicament requiring explanation in an analysis , however are taken simply or given . The dependant variable in contrast , typically cannot be directly controlled (Fisher , 2004 ,

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A study group which has the same treatment as the experimental group is what is known as the control group . Researchers often use control groups in finding out if the research treatment has...