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Chapter 11: Observational Methods

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When participant observation might be useful in a small project ... For activities that are ... expected by chance. Calculate Cohen's Kappa. ... – PowerPoint PPT presentation

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Title: Chapter 11: Observational Methods


1
REAL WORLD RESEARCHSECOND EDITION
  • Chapter 11 Observational Methods

Robson, C.(2002) Real World Research

2nd edn. Oxford
Blackwell
2
When participant observation might be useful in a
small project
  • With small groups
  • For events/processes that take a reasonably short
    time
  • For frequent events
  • For activities that are accessible to observers
  • When your prime motivation is find out what is
    going on
  • When you are not short of time

3
The process of analytic induction
  • Formulate a rough definition of the phenomenon of
    interest.
  • Propose a possible explanation.
  • Study a situation to assess whether this
    explanation fits the evidence.
  • If it doesnt, come up with a different
    explanation or redefine the situation so that it
    excludes the phenomenon.
  • Repeat with further situations. Confidence in the
    explanation increases when you find more
    situations where it fits the evidence.

4
Recording participant observation
  • You need a system to capture information as fully
    as possible.
  • Make a record of observation on the spot, during
    the event. This may be very condensed, using
    abbreviations, etc.
  • Go through it shortly afterwards to add detail
    and to ensure that it is understandable.
  • Getting this full record right may take as long
    as the original observation did.
  • If on-the-spot recording is not feasible notes
    should be made soon afterwards.
  • Always prepare the detailed notes of the full
    report within twenty-four hours of the field
    session, and dont start another session until
    you have.

5
Developing a coding scheme
  • The categories should be devised to provide
    information relevant to the research questions in
    which you are interested. To be straightforward
    and reliable in use they should be
  • Focused
  • Objective
  • Non context-dependent
  • Explicitly defined
  • Exhaustive
  • Mutually exclusive
  • Easy to record

Note Developing a new scheme is a lot of work.
If there is an existing scheme which appears
appropriate, consider using or adapting it.
6
Measuring inter-observer agreement
  • Draw up the confusion matrix.
  • Calculate the proportion of agreement.
  • Calculate the proportion expected by chance.
  • Calculate Cohens Kappa.
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