mills chapter 05
Post on 22-Oct-2014
730 views
DESCRIPTION
TRANSCRIPT
5-1MillsAction 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, 2000Pearson Education, Inc. All rights reserved.
A Guide for the Teacher Researcher
5-2MillsAction Research: A Guide for the Teacher Researcher, 5e © 2014 Pearson Education, Inc. All rights reserved.
Chapter 5
Data Collection Considerations
5-3MillsAction 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
5-4MillsAction 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
5-5MillsAction Research: A Guide for the Teacher Researcher, 5e © 2014 Pearson Education, Inc. All rights reserved.
Qualitative Research
Measure of trustworthiness Measure of understanding
5-6MillsAction 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
5-7MillsAction 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
5-8MillsAction 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
5-9MillsAction 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
5-10MillsAction 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!
5-11MillsAction 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
5-12MillsAction 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