Research design
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รูปแบบการวิจัย Research Design PowerPoint PPT Presentation


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รูปแบบการวิจัย Research Design. ผศ. ( พิเศษ ) น.พ.นภดล สุชาติ พ.บ. M.P.H. การวิจัย.

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รูปแบบการวิจัย Research Design

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Research design

Research Design

.()..

.. M.P.H.


Research design


Research design


Research design


Research design


Research design

2


Research design

  • ()

  • (Observation)

    • Participant Observation

    • Non-Participant Observation

  • Focus Group,

  • in-depth Interview,

  • Life history collection


Research design

  • Observation- Structured Observation- Unstructured Observation

  • (In-depth Interview) (Open ended questions)

  • (Focus group) (Key Informants)

  • (Case study, Life history collection)


Research design

  • Observational Study Experimental study


Research design

(Independent Variables)

(Dependent Variables)


Research design

  • (Risk Factor) (Determines) (Influences) (Andrew Fisher, John Laing, John Stoeckel, 1984)


Research design


Research design

  • (Control Group) (Comparison Group)

  • 2


Research design

  • (Observation Research)

  • (Experimental Research)

  • Risk Factor Risk Factor


Research design


Research design

  • (Basic Research)

  • (Applied Research)


Research design

  • (Documentary Research)

  • (Laboratory Research)

  • (Animal Research)

  • (Clinical Research)

  • (Community Research)

  • (Operational Research)

  • (Health Service Research)


Research design

  • (Retrospective)

  • (Prospective)


Research design

  • (Observation Research)

    • (Descriptive Research)

    • (Analytical Research)

  • (Experimental Research)


Research design

Cross-sectional

(Prevalence)

(Experimental Research)

Longitudinal

(Incidence)

Exposure

(Descriptive Study)

(Cross-sectional)

(Observational Research)

Exposure

(Analytic Study)

(Cohort or Prospective)

(Case control or

Retrospective)


Descriptive study

Descriptive Study

  • Cross-sectional study (Prevalence)

  • Longitudinal study (Incidence)


Analytic study

Analytic Study

  • Cohort or prospective

  • Case Control or retrospective study

  • Cross-sectional


Research design

  • Bias


Cohort prospective study

(Eligibility)

Incidence

Cohort Prospective study


Case control retrospective study

Recall Bias

Exposure Suspicion Bias

Case-Control Retrospective study


Experimental study

Experimental Study

  • Researcher assign exposure status to population

New

Treatment

Success

Fail

Population

Random

Control or

Standard

Treatment

Success

Fail


Research design

  • Phase 1 10

  • Phase 2 50

  • Phase 3Standard RCT Safety & Efficacy

  • Phase 4 Post-marketing surveillance


Experimental study1

Experimental study

  • Quasi Experimental study

  • No randomization


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