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-Research Design : : 101/10/31 : D016070006 D016070005

00 In general, a research design is a plan that shows how a researcher intends to fulfill the goals of a proposed study.

1(Research Design)12 ? ? ? ?

123Q & A

1.()2.()1Experimentation 2Experimentation Desings 3Nonexperimentation Desings445Experimentation(experimentation) 1.2.3.(Treatment)4.5. 6validityinternal validityexternal validity7

8Q & AVS

9 1(history) ? 2(Maturation)

3(testing)

10 14(statistical regression) ()

5(experimental mortality)

6(instrument decay)

112(selection) 121(assignment at random) : -2(precision matching)

Simple Post-test DesignPre-test/ Post-test DesignTime Series DesignMultigroup DesignFactorial DesignSolomon Four-Group DesignThe New Jersey Income-Maintenance Field Experiment

1Experimentation Desings1314Simple Post-test Design(Random Assignment)TreatmentPost-treatment MeasurementOf Dependent Variable Experimental GroupYesYesControl GroupNoYes15Pre-test/ Post-test Design(Random Assignment)

Pre-treatment MeasurementOf Dependent Variable Treatment

Post-treatment MeasurementOf Dependent Variable Experimental GroupYesYesYesControl GroupYesNoYes16Time Series Design (Random Assignment)

Pre-testTreatmentPost-testFirstSecondFirstSecondExperimental GroupYesYesYesYesYesControl GroupYesYesNoYesYes17Multigroup Design (Random Assignment)Pre-testTreatmentPost-testFirstSecondFirstSecondExperimental Group 1YesYesYesYesYesExperimental Group 2YesYesYes, but differentYesYesControl GroupYesYesNoYesYes18Factorial Design 4040AB()CD19Solomon Four-Group Design Solomon (Random Assignment)Pre-testTreatmentPost-testExperimental Group 1YesYesYesExperimental Group 2NoYesYesControl Group 1YesNoYesControl Group 2NoNoYes20The New Jersey Income-Maintenance Field Experiment() Field Experiment Time Series DesignCross-sectional DesignPanel Study DesignCase Study Design

21Nonexperimentation Desings21 (X) (X) (Y) 22Nonexperimental Designs 22 (25)()(X)(Y)(X)23Time Series Design2324Time Series Design

Y1 - Y2 - Y3 - X - Y4 - Y5 - Y6(X)(X)(Y)Q&A:XY?2425Time Series Design()?

Q&A:

2526Time Series Design Robert Fording(Y)(X)(quasi)2627Time Series Design? 1.

2.

2728Time Series Design

1.2. ?3. ?4. ()2829Time Series Design1.(Y)2. a.() b.() c.()2930Cross-sectional Design Support for busingX:BUSING3031Cross-sectional Design:: :1.Y 2. 3132Panel Study Design:19803233Case Study Design()Descriptive Case Study ()Exploratory Case Study ()Explanatory Case Study ()1996()3334

Case Study Design:OaklandEDA 3435Case Study Design:Yin case1.2.3.3536Conclusion A research design is a plan that enables the researcher to achieve his or her research results.

()()3637Conclusion (predictive research)

(explanatory research)

38::()Objectives of DesignType of DesignEstablish that X and Y CovaryEstablish that X precedes YEstablish nonspuriousnessEstablish generalizabilityClassic ExperimentyesyesyesmaybeNonexperimental Time SeriesyesyesmaybemaybeCross-sectionalyesUsually notmaybemaybePanelyesyesmaybemaybeDescriptive Case StudymaybemaybemaybenoExploratory Case StudymaybemaybenonoExplanatory Case StudyyesyesmaybemaybeXYTable5-53940Conclusion ((X)) - ? ? 40