Conducting Educational Research
Caroll
Caroll
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TABLE OF CONTENTS<br />
Repeated Measures (ANOVA).................................................................... 181<br />
Posttest ANOVA......................................................................................... 182<br />
Pretest/Posttest ANOVA............................................................................. 182<br />
Factorial ANOVA ....................................................................................... 183<br />
Goodness of Fit (Chi Square)...................................................................... 184<br />
Test of Independence (Chi Square)............................................................. 185<br />
Next Steps........................................................................................................ 186<br />
Chapter Self-Check.......................................................................................... 186<br />
Chapter Review Questions .............................................................................. 186<br />
References ....................................................................................................... 186<br />
10. Data Collection and Validity ...................................................................... 187<br />
Chapter Overview............................................................................................ 187<br />
Introduction ..................................................................................................... 187<br />
Quantitative Surveys........................................................................................ 187<br />
Improving Survey Reliability...................................................................... 188<br />
Tests................................................................................................................. 191<br />
Instrument Validity and Reliability ................................................................. 192<br />
Instrument Validity ..................................................................................... 192<br />
Instrument Reliability.................................................................................. 193<br />
Final Words on Instrument Validity and Reliability ................................... 194<br />
Study Validity.................................................................................................. 195<br />
Threats to Study Validity ............................................................................ 195<br />
Writing a Methods Section for a Quantitative Study....................................... 199<br />
Problem Statement ...................................................................................... 201<br />
Context of the Study.................................................................................... 202<br />
Study Sample .............................................................................................. 202<br />
Measures ..................................................................................................... 203<br />
Instrument Development............................................................................. 203<br />
Procedures................................................................................................... 203<br />
Analysis....................................................................................................... 204<br />
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