Week 9 research_design
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Week 9 research_design

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Week 9 research_design Week 9 research_design Presentation Transcript

  • 427-302 Methods of SocialSciences Research Research Design
  • (Research Design)
  • (Research Design)
  • 1. (validity) (Accurately)(Objectively)(Economically)2.(Variance)
  • 1.2.3.
  • The Max Min Con principle
  • (Maximization ofThe “Max Min Con” Principle 1 Systematic Variance) Treatment 2
  • Max :
  • •• 20 50• / /
  • The “Max Min Con” Principle 2(Minimization of Error Variance)1. 2.
  • The “Max Min Con” Principle 3 (Controlof Extraneous Variable)1. (Randomization)2. (Matching)3.(Elimination)4.
  • ••••
  • 1.1.11.21.3 /1.41.5
  • 22.2.12.2
  • 33.3.1( )3.2( )
  • 1.2.3.4.5.
  • 1. (InternalConsistency) 31.1
  • 2.2.1 (History)2.2 (Maturation)2.3 (Testing)2.4(Instrument)2.5 (Statistical
  • 2. ( )2.6 (Random Assignment)2.7(Experimental Motality)2.82.92.102.11
  • 2. (ExternalConsistency) 2
  • 1. (Pre-experimental Designs)2. (TrueExperimental Designs)3.(Quasi-experimental Designs)
  • O1 Observe ( , )O2 Observe ( , )X Experimental (,R Randomization ( ) (experimental group) (control group)
  • (Pre- experimental Designs)1.(One – shot Case Study)X - O21. 112.
  • (Pre- experimental Designs)2. (One – Group PretestPosttest Design)O1 X O21. 112.
  • (Pre- experimental Designs)3. (Static Group ComparisonDesign)X O2O21. 22.3.
  • (True Experimental Designs)1. (RandomizedPretest – Posttest Control Group Design)R O1 X O 2R O1 - O 21. 22.3.3.
  • (True Experimental Designs)2. (RandomizedControl Group Posttest Only Design)R X O2R - O21. 22.3.
  • (Quasi - Experimental Designs)1. (Non - Equivalent Control GroupPretest – Posttest Design)O1 X O 2O1 - O21. 22.3.4.
  • (Quasi - Experimental Designs)2.(Time Series Design)O1 O2 O3 O4 X O5 O6 O7 O81.2. (Repeated Measure)3. (Longitudinal)
  • (Quasi - Experimental Designs)3.(Multiple Time Series Design)O1 O2 O3 O4 X O5 O6 O7 O8O1 O2 O3 O4 - O5 O6 O7 O81. 22. (Repeated Measure)
  • 1.2.3. (InternalValidity) (Treatment)3.1 (History)
  • ( )3.4 (Instrumentation)3.5 (StatisticalRegression)3.6 (Selection)3.7((Experimental Mortality)3.84. (ExternalValidity)