Chapter 18 M303 Final Exam

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Anonymous
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214557
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Chapter 18 M303 Final Exam
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2013-04-19 21:34:33
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  1. the inspection
    and, if necessary, correction of each questionnaire or observation form
    Editing
  2. preliminary edit designed to detect
    the most glaring omissions and inaccuracies in the data
    Field Edit
  3. Also called the “eyeball” edit
    Thorough and exacting scrutiny and
    correction of completed data collection forms, including a decision about what
    to do with the data
    • Central-Office
    • Edit
  4. ÊThe process of
    transforming raw data into symbols (usually numbers) that can be utilized for
    analysis

    ÊTransforming responses to each question
    into a set of meaningful categories

    ÊAssigning numerical codes to the
    categories

    ÊCreating a data set suitable for
    computer analysis - may need to transform raw variables
    Coding
  5. ÊAn error that arises during editing,
    coding or data entry

    ÊBlunders are usually due to researcher
    carelessness
    ÊBlunder
  6. Êlogically inconsistent responses and
    should be corrected. Type of outlier
    ÊErrors
  7. Êdecisions must be made as to how to
    handle legitimate outliers
    Type of outlier
    ÊLegitimate but extreme values
  8. Alternative
    Strategies for Handling Missing Data
    • ÊLeave the Items Blank and
    • Report the Number of Missing Cases as a Separate Category

    • ÊEliminate the Case with
    • the Missing Items from All Further Analyses

    • ÊEliminate the Case with
    • the Missing Items from Analyses Using the Variable

    • ÊSubstitute Values for the
    • Missing Items

    • ÊContact the Respondent
    • Again

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