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Mills Chapter 05
- 1. 5-1
Mills
Action Research: A Guide for the Teacher Researcher, 5e
© 2014 Pearson Education, Inc. All rights reserved.
Action Research
Geoffrey E. Mills
Fifth Edition
© 2014, 2011, 2007, 2003, 2000
Pearson Education, Inc. All rights reserved.
A Guide for the Teacher Researcher
- 2. 5-2
Mills
Action Research: A Guide for the Teacher Researcher, 5e
© 2014 Pearson Education, Inc. All rights reserved.
Chapter 5
Data Collection Considerations
- 3. 5-3
Mills
Action Research: A Guide for the Teacher Researcher, 5e
© 2014 Pearson Education, Inc. All rights reserved.
Validity
Degree to which data collection
methods measure what they are
supposed to measure
- 4. 5-4
Mills
Action Research: A Guide for the Teacher Researcher, 5e
© 2014 Pearson Education, Inc. All rights reserved.
Quantitative Research
Internal validity
degree to which observed differences on
the dependent variable are a direct
result of manipulation of the
independent variable, not some other
variable (experimental research)
External validity
degree to which study results are
applicable to groups and environments
outside the research setting
- 5. 5-5
Mills
Action Research: A Guide for the Teacher Researcher, 5e
© 2014 Pearson Education, Inc. All rights reserved.
Qualitative Research
Measure of trustworthiness
Measure of understanding
- 6. 5-6
Mills
Action Research: A Guide for the Teacher Researcher, 5e
© 2014 Pearson Education, Inc. All rights reserved.
Guba’s Validity Criteria
Credibility
degree to which findings are believable
Transferability
degree to which results apply in other
contexts
Dependability
stability/quality of data
Confirmability
neutrality/objectivity of data
- 7. 5-7
Mills
Action Research: A Guide for the Teacher Researcher, 5e
© 2014 Pearson Education, Inc. All rights reserved.
Wolcott’s Strategies
Talk little, listen a lot
Record accurately
Begin writing early
Let readers “see” for themselves
Report fully
Be candid
Seek feedback
Write accurately
- 8. 5-8
Mills
Action Research: A Guide for the Teacher Researcher, 5e
© 2014 Pearson Education, Inc. All rights reserved.
Reliability
Degree to which a test consistently
measures whatever it measures
expressed numerically, usually as
coefficient
high coefficient (near 1.00)
indicates high reliability
no test is perfectly reliable
- 9. 5-9
Mills
Action Research: A Guide for the Teacher Researcher, 5e
© 2014 Pearson Education, Inc. All rights reserved.
Reliability in Qualitative
Action Research
Degree to which data would be
consistently collected
same techniques utilized
repeatedly
same techniques used by different
researchers
- 10. 5-10
Mills
Action Research: A Guide for the Teacher Researcher, 5e
© 2014 Pearson Education, Inc. All rights reserved.
Reliability and Validity
A valid test is always reliable
it will measure what it purports to
measure consistently over time
A reliable test is not always valid
it will consistently measure the
wrong thing!
- 11. 5-11
Mills
Action Research: A Guide for the Teacher Researcher, 5e
© 2014 Pearson Education, Inc. All rights reserved.
Generalizability
Degree to which behavior of one
group can be used to explain the
behavior of a wider group
Generalizability is not the goal of
action research. Instead, it is to:
understand what is happening in
your school or classroom
determine how to improve things
in that context
- 12. 5-12
Mills
Action Research: A Guide for the Teacher Researcher, 5e
© 2014 Pearson Education, Inc. All rights reserved.
Confronting Personal Bias
Conduct research in a systematic,
disciplined manner
Develop a list of propositions about
the findings