PILOT STUDY Definition : Experimental exploratory, test, preliminary, trial or try out investigation. Pilot study is the trial carried out before a research design is finalized to assist in defining the research question or to test the
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Presentation Transcript
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PILOT STUDY<br>
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Definition : Experimental exploratory, test, preliminary, trial or try out investigation.
Pilot study is the trial carried out before a research design is finalized to assist in defining the research question or to test the feasibility, reliability and validity of the proposed study design.
Pretesting is intended to reveal errors in the design.
Pretesting permits refinement before the final test.
A small scale study conducted to test the plan and method of research study.
Meaning and Concepts
Is a small study designed to gather information prior to a larger study, in order to improve the quality of final study.
Study can reveal deficiencies in the design of proposed research proposal.
A good research strategy requires careful planning & pilot study is often part of it.<br>
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Reasons for conducting a Pilot study
Main reasons :
Process: This assesses the feasibility of the process that are key to the success of the main study
Resources: This deals with assessing time and resources problems that can occur during the main study.
Management: This covers potential human and data management problems.
Scientific: This deals with the assessment of the response, effect and variance of the effect.
Other Reasons :
Developing and testing adequacy of research instrument.
Assessing the feasibility of a full scale / survey.
Developing a research question and research plan.<br>
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Establishing whether the sampling frame and technique are effective collecting preliminary data.
Determining what resources are needed for a planned study.
Assessing the proposed data analysis technique to uncover potential problems.
When to carry out a Pilot Study
A pilot study is small study designed to gather information prior to a large study, in order to improve the quality of final study.
A pilot study can reveal deficiencies in the design of a proposed research proposal.
A good research strategy requires careful planning and a pilot study often is a part of this strategy.<br>
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Advantages
It permits preliminary testing of hypothesis that leads to testing more precise hypothesis in the main study.
It often provides the researcher with ideas, approaches and clues the researcher may not have foreseen before conducting the pilot study. It may save lot of time and money.
It permits through check of the planned statistical and analytical procedures, giving researcher chance to evaluate their usefulness of the data.
It can greatly reduce the number of unanticipated problems because the researcher have all opportunity to redesign parts of his / her study to overcome difficulties that the pilot study reveals.
In the pilot study the researcher may try out a number of alternative measures and then select those that produce the clearest results for cleanest results for the main study.<br>
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Problems of Pilot study
Possibility of making inaccurate predictions or assumptions on the basis of pilot data.
Completing a pilot study successfully is not a guarantee of success of the full scale survey.
A more common problems is deciding whether to include pilot study participants in the main study.<br>
