Defining Sampling terms

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  • Created by: Lauren
  • Created on: 11-01-13 10:05
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  • Define
    • Aim
      • A purpose or intention; a desired outcome
    • Hypothesis
      • A supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation.
    • Questionaire
      • A set of printed or written questions with a choice of answers, devised for the purposes of a survey or statistical study.
      • There can be Face to Face questionnaire - increasing their chance of completing it as well not lying so much. Also they can ask if they don't understand it
      • Postal - it is more practical and quicker.
    • Interveiw
      • A meeting of people face to face or over the telephone
        • Face to Face - you can build up a report / relationship. Meaning more truthful answers. Can also show body mannerisums
        • Some occasions truthful answers come more in telephone  as they are less shy.
    • Pilot Study
      • pilot study, is a small scale preliminary study conducted in order to evaluate feasibility, time, cost, adverse events, and effect size (statistical variability) in an attempt to predict an appropriate sample size and improve upon the study design prior to performance of a full-scale research project
    • Operationalisation
      • operationalization is the process of defining a fuzzy concept so as to make the concept clearly distinguishable or measurable and to understand it in terms of empirical observations. In a wider sense it refers to the process of specifying the extension of a concept — describing what is and is not a part of that concept.
    • Problems
      • Practicality
      • Cost
      • Ethics
      • Validity
      • Reliability


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