Methods with audio

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Methods with audio

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  1. Methods

    Slide 1 - Methods

    • Samples, Measures, Procedures...
  2. Methods

    Slide 2 - Methods

    • Research design (descriptive, case study, field test, repeated case study, single-case design, correlational, experimental, quasi-experimental, archival, qualitative...)
    • Population/ sample. Sampling procedure
    • Intervention procedures (if any)
    • Instrumentation/ Measurement
    • Data Collection procedures
    • Data analysis
  3. Starts with a GOOD hypothesis

    Slide 3 - Starts with a GOOD hypothesis

    • Write down your dissertation hypothesis in a poorly (loose, ill-defined, etc.) way
    • Write your dissertation hypothesis in a quality way
    • Share your hypothesis with a class mate or two
    • Share your hypothesis with your chair
  4. What is a poorly defined hypothesis?

    Slide 4 - What is a poorly defined hypothesis?

    • Unclear what the variables are
    • Not clear how things are being measured
    • Uses “why” or “how”
    • Lack of clarification of important terms (success, processes, achievement, factors...)
    • Questions that can’t be answered with numbers (exception qualitative research)
    • No mention of the relationship of variables
  5. A great hypothesis

    Slide 5 - A great hypothesis

    • Clear variables
    • Clear measurement of variables
    • Important terms have been defined
    • The question can be answered with your study
    • The expectation of the relationship of the variables is clearly stated
    • Points easily to the statistic used to test the hypothesis
  6. Example of great hypotheses

    Slide 6 - Example of great hypotheses

    • Virginia middle school students will score higher in math achievement than North Carolina middle school students.
    • Bisexual partners in mixed orientation marriages will report higher relationship satisfaction than Lesbian partners
    • Doctoral students in psychology that score high on humility, as rated by significant other, will have patients with higher ratings of therapist warmth
  7. Examples of great hypotheses

    Slide 7 - Examples of great hypotheses

    • Cognitive behavioral treatment for child trauma will be more effective in reducing trauma symptoms than no treatment
    • Participants of a God-image group will demonstrate a moderate improvement in ratings of emotional experience of God as loving
  8. Should be able to map it

    Slide 8 - Should be able to map it

    • From the hypothesis to the method issues
    • Virginia middle school students will score higher in math achievement than North Carolina middle school students.
    • Research design? Survey
    • Sample? Middle School students, 8 schools selected at random from each state from list of middle schools
    • Intervention? None
    • Instrumentation? The math score on the WIAT
    • Data collected by researchers through school counselors...
    • Data analysis? t-test comparing the two groups on the continuous outcome measure
  9. Can you map it?

    Slide 9 - Can you map it?

    • Cognitive behavioral treatment for college student date rape trauma will be more effective in reducing trauma symptoms than no treatment
    • Design?
    • Sample/Sampling procedure?
    • Intervention?
    • Measurement
    • Data Collection?
    • Data Analysis?
  10. Can you map it?

    Slide 10 - Can you map it?

    • Participants of a God-image group will demonstrate a moderate improvement in ratings of emotional experience of God as loving
    • Design?
    • Sample/Sampling procedure?
    • Intervention?
    • Measurement
    • Data Collection?
    • Data Analysis?
  11. Power

    Slide 11 - Power

    • Remember power?
    • You need enough power to run statistical analyses.
    • http://www.jeremymiles.co.uk/misc/power/
    • G*power http://www.psycho.uni-duesseldorf.de/abteilungen/aap/gpower3/download-and-register
  12. Discuss with your chair

    Slide 12 - Discuss with your chair

    • Your plans for method
    • Issues of sample size and power.
    • Ask “What kind of sample size do you think I can obtain with the study I am planning?”
  13. Apply this to your study

    Slide 13 - Apply this to your study

    • Design your method structure and present to classmates(it could change but you would know how to do it then...)
    • Propose what statistic you would use with your method
    • Run a prospective power analysis to see what sample size you would need for your plans (can use the Cohen table)
    • Revise plans with chair as needed...