w riting c hapter 3 q uantitative r esearch d esigns
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W riting C hapter 3: Q uantitative R esearch D esigns . Chapter 3 should. d escribe what will be done to answer the research question(s), d escribe how it will be done and justify the research design, and e xplain how the results will be analyzed . . M ethodology C hapter.

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chapter 3 should
Chapter 3 should
  • describe whatwill be done to answer the research question(s),
  • describe how it will be done and justify the research design, and
  • explain howthe resultswill be analyzed.
m ethodology c hapter
Methodology Chapter

Scientific writing is direct and orderly. Therefore, the methodology chapter should

  • describe the materials used in the study,
  • explain how the materials are prepared for the study,
  • describe the research protocol,
  • explain how measurements are made and whatcalculations are performed, and
  • state which statistical tests are done to analyze the data.
m ethodology chapter cont
Methodology Chapter (Cont.)

It must be written with enough information so that

  • the study could be repeated by others to evaluate whether the results are reproducible
  • the audience can judge whether the results and conclusions are valid.
  • Describe, in detail, the process to follow forselecting the research participants (the sampling method).
  • Judging the external validity of a study involving human participants (i.e., to whom the study results may be applied) requires that descriptive data be provided regarding the basic demographic profile of the sample population, including
    • age,
    • gender, and
    • Possibly, the racial composition of the sample.
measurements instrumentations

The next step in the methodology chapter is to

  • describe what variables will be measured and
  • howthose measurementswill be made.
measurements instrumentations cont
Measurements/Instrumentations (Cont.)
  • How long will it take to administer the instrument?
  • Are the directions clear?
  • How easy is it to score the instrument?
  • Do equivalent forms of the instrument exist?
  • Have any problems been reported by others who used it?
  • If applicable, how was the instrument normed?
  • Provide information on the instrument’s validity and reliability.
research design
Research Design
  • The research design is the sequence of manipulations and measurement procedures that make up the study.
  • Its description should follow the exact sequence of how the procedures will be executed.Most important, you should provide a clearjustificationfor choosing a specific research design.
  • The research design should allow you to answer the research question.

The methodology chapter should describe the steps to carry out the research.

  • Wherewill the data be collected?
  • Whenwill the data be collected?
  • How often are the data to be collected?
  • Whois to collect the data?
data analysis
Data Analysis

The methodology chapter should describe

  • the applicable summary descriptive statistics or how the data will be presented in the results section (e.g., mean vs. median),
  • which statistical tests will be used for the inferential data analysis, and
  • what p value is deemed to indicate a statistically significant difference.
ethical considerations
Ethical Considerations

When working with subjects, there must be a declaration that the study protocol adheres to ethical principles.

  • Obtain IRB approval.
  • Respect the rights of the participants (consent and assent forms).
  • Honor the requests and restrictions of the research site (institutional and site specific).
  • Report the research fully and honestly.

Creswell, J. W. (2012). Educational research: Planning, conducting, and evaluating quantitative and qualitative research (4th ed.). Upper Saddle River, NJ: Pearson.