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X O1
                                                                                                                        One-Shot Case Study

                                                                                              O1 X O2
                                                                                                                  One Group Pretest-Posttest
                                                                                                                                                         Pre-Experimental

                                                                                                        E.G.: O1 X O2
                                                                                                                                  Static Group
                                                                                                        C.G.:            O2

                                                                            E.G.: R O1 X O2
                                                                                                             Pretest-Posttest Control Group
                                                                            C.G.: R O3            O4
                                                                                                                                                         True Experimental
                                                                                       E.G.: R X O1
                                                                                                                Posttest-Only Control Group
                                                                                       C.G.: R         O2

                                    O1 O2 O3 O4      X O6 O7 O8
                                                                           Contoh: sebelum & sesudah krisis 1998
                                                                                                                                 Time Series

                                                                                                                                                     Quasi Experimental
                            E.G.: O1 O2 O3 O4       X O6 O7 O8
                                                                          Contoh: merger & tidak merger
                            E.G.: O1 O2 O3 O4          O6 O7 O8                                                       Multiple Time Series


                                                      Heavy
                                                    Medium
                                                                  Contoh: "Storage patronage"
                                                        Low
                                                       None                                                 1 major variable
                                                                                                                                   Randomized Blocks
                                                        Commercial A                                                                                                               Classification
                                                        Commercial B        "Treatment Groups
                                                        Commercial C


                                                  Heavy
                                                 Medium       Contoh: "Storage patronage"
                                                                                                                                                                                                                                                                                                                                       Contoh: X (-) --> Y (-), jika "konsumsi garam" (+) maka "tekanan darah" (+)
                                             Low & none                                                                                                                                                                                                                                                  Concomitant variation
                                                                                                     2 non-interacting variables                                                                           Experimental Designs (ED)
                                                      High                                                                                  Latin Square                                                                                                                                                                                  Contoh: api --> asap
                                                                                                                                                                  Statistical
                                                   Medium        Contoh: "Interest in store"                                                                                                                                                                     Concept & condition of causality        Time order of occurrence

                                                       Low                                                                                                                                                                                                                                                                                               Faktor lain yang tidak kita tinjau, harus kita kontrol
                                                                    Size of table should NxN means 2x2, 3x3, or 4x4, etc.                                                                                                                                                                                                                                Faktor selain "konsumsi garam" harus kita kontrol atau kendalikan
                                                                                                                                                                                                                                                                                                         Absence of other possible causal factors
                                                                                                                                                                                                                                                                                                                                                         terhadap pengukuran "tekanan darah"
                               Low
                           Medium      Contoh: "Amount of store information"
                                                                                                                                                                                                                                                                                                                                                                    Independent variables        Contoh: price levels
                              High

                         No humor                                                      2 or more variables at various levels                                                                                                                       CAUSAL                                                                                                                                      Contoh: sales, profit, market share
                                                                                                                                                                                                                                                                                                                                                                    Dependent variables
                                                                                                                                         Factorial Design                                                                                         RESEARCH
                     Medium humor     3 levels
                                                  Contoh: "Amount of humor"                                                                                                                                                                        DESIGN:
                       High humor                                                                                                                                                                                                              EXPERIMENTATION                                                                                                                      Contoh: consumers, stores
                                                                                                                                                                                                                                                                      Definition & concepts         Experimental design is a set of procedures specifying ...       Test units
                                                                                                                                                                                                                                                                                                                                                                                    Experimental research: "participant", survey: "respondent"
                                             Contoh: A, B, C, D, E, F, G, H, I                                                                                                                                                                                                                                                                                                                  Variabel di luar pengamatan
                                                                                      Size of table is (at the example) 3x3
                                                                                                                                                                                                                                                                                                                                                                    Extraneous variables        Contoh: variabel "stress" adalah extraneous variable
                                                                                                                       Environment                                                                                                                                                                                                                                                              pada pengukuran "tekanan darah"
                                                                                                                               Control
                                                                                                                      Reactive error                                                                                                                                                                                           Metode dan prosedur sudah benar
                                                                                                                                                                                                                                                                                                       Internal validity
                                                                                                                   Demand artifacts
                                                                                                                                                                                                                                                                    Validity of experimentation                                Apakah hasil penelitian dapat digeneralisasi atau tidak
                                                                                                                    Internal validity
                                                                                                                                              Laboratory VS Field Experiments
                                                                                                                   External validity                                                                                                                                                                   External validity       Cth : jika "konteks penelitian di industri" berubah, maka meski "internal
                                                                                                                                                                                                                                                                                                                               validity" ok tetapi "external validity" tidak ada atau tidak bisa digeneralisasi
                                                                                                                                 Time
                                                                                                                    Number of units                                                         Others
                                                                                                             Ease of implementation
                                                                                                                                 Cost

                                                                                                                                       Time consuming
                                                                                                                                               Expensive
                                                                                                                                                                Limitations of ED
                                                                                                                                Difficult to administer
                                                                                                                                            Contaminate


                                                                                                             Specific events that are external to experiment but occur
                                                                                                                                                                                    History
                                                                Contoh: Price (+) --> Demand (-), tetapi tiba-tiba produk menjadi tren sehingga Demand (+)

                                                                                                                 Contoh: "konsumsi garam" pada orang tua
                                                    Test units "orang tua" tidak relevan dengan konteks penelitian karena memang kondisi mereka                          Maturation (MA)
                                                    condong memiliki tekanan darah yang relatif tinggi dibandingkan orang pada umumnya

                                                                                         Participant menjadi aware terhadap penelitian sehingga menjadi
                                                                                         terpengaruh dan tidak mencerminkan gambaran sesungguhnya
                                                                                                                                                                            Testing effects

                                                                                  Setting instrument penelitian agar mendapat gambaran yang tepat
                                                                                 Tes 1: "price sensitive?", participants pasti jawab "tidak"                           Instrumentation (I)
                                                                                                                                                         Contoh
                                                  Tes 2: diberi 2 product, participants akan pilih yg mana? yang mahal atau murah?                                                                   Concepts

                                                                    Angka ekstrim atas dan bawah seolah tak tampak akibat adanya nilai
                                                                    rata-rata sebagai konsekuensi dari Statistik
                                                                                                                                                              Statistical regression (SR)
                                                                                                  Contoh: IPK rata-rata, income per kapita, dll
                                                                                                                                                                                                                   Extraneous Variables (EV)
                                                                             Salah pilih/menempatkan participant dalam penelitian eksperimental                        Selection bias (SB)

                                                                                   Salah pilih/menempatkan participant dalam penelitian eksperimental
                                                                                                                                         Event 1: ikut
                                                                                                                                                                           Mortality (MO)
                                                                                                                                         Event 2: ikut       Contoh
                                                                                           Event 3: tidak ikut (meninggal/sakit/berhalangan)

                                                                            Pemberian perlakuan secara random pada E.G. (experiment group)
                                                                                                                                                                     Randomization

                                                                                                 Setiap sel participant relatif memiliki kondisi yang setara               Matching

                                                              Kontrol terhadap pengukuran EV, penyesuaian effect melalui analisis statistik                                                   Controlling EV
                                                                                                                                                                  Statistical control

                                                                                  Kontrol terhadap waktu, tempat, cover story/jeda, perlakuan, dst.
                                                                                                                                                                      Design control




week 4 Causal Research Design.mmap - 18/03/2011 - Mindjet

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Week 4 causal research design

  • 1. X O1 One-Shot Case Study O1 X O2 One Group Pretest-Posttest Pre-Experimental E.G.: O1 X O2 Static Group C.G.: O2 E.G.: R O1 X O2 Pretest-Posttest Control Group C.G.: R O3 O4 True Experimental E.G.: R X O1 Posttest-Only Control Group C.G.: R O2 O1 O2 O3 O4 X O6 O7 O8 Contoh: sebelum & sesudah krisis 1998 Time Series Quasi Experimental E.G.: O1 O2 O3 O4 X O6 O7 O8 Contoh: merger & tidak merger E.G.: O1 O2 O3 O4 O6 O7 O8 Multiple Time Series Heavy Medium Contoh: "Storage patronage" Low None 1 major variable Randomized Blocks Commercial A Classification Commercial B "Treatment Groups Commercial C Heavy Medium Contoh: "Storage patronage" Contoh: X (-) --> Y (-), jika "konsumsi garam" (+) maka "tekanan darah" (+) Low & none Concomitant variation 2 non-interacting variables Experimental Designs (ED) High Latin Square Contoh: api --> asap Statistical Medium Contoh: "Interest in store" Concept & condition of causality Time order of occurrence Low Faktor lain yang tidak kita tinjau, harus kita kontrol Size of table should NxN means 2x2, 3x3, or 4x4, etc. Faktor selain "konsumsi garam" harus kita kontrol atau kendalikan Absence of other possible causal factors terhadap pengukuran "tekanan darah" Low Medium Contoh: "Amount of store information" Independent variables Contoh: price levels High No humor 2 or more variables at various levels CAUSAL Contoh: sales, profit, market share Dependent variables Factorial Design RESEARCH Medium humor 3 levels Contoh: "Amount of humor" DESIGN: High humor EXPERIMENTATION Contoh: consumers, stores Definition & concepts Experimental design is a set of procedures specifying ... Test units Experimental research: "participant", survey: "respondent" Contoh: A, B, C, D, E, F, G, H, I Variabel di luar pengamatan Size of table is (at the example) 3x3 Extraneous variables Contoh: variabel "stress" adalah extraneous variable Environment pada pengukuran "tekanan darah" Control Reactive error Metode dan prosedur sudah benar Internal validity Demand artifacts Validity of experimentation Apakah hasil penelitian dapat digeneralisasi atau tidak Internal validity Laboratory VS Field Experiments External validity External validity Cth : jika "konteks penelitian di industri" berubah, maka meski "internal validity" ok tetapi "external validity" tidak ada atau tidak bisa digeneralisasi Time Number of units Others Ease of implementation Cost Time consuming Expensive Limitations of ED Difficult to administer Contaminate Specific events that are external to experiment but occur History Contoh: Price (+) --> Demand (-), tetapi tiba-tiba produk menjadi tren sehingga Demand (+) Contoh: "konsumsi garam" pada orang tua Test units "orang tua" tidak relevan dengan konteks penelitian karena memang kondisi mereka Maturation (MA) condong memiliki tekanan darah yang relatif tinggi dibandingkan orang pada umumnya Participant menjadi aware terhadap penelitian sehingga menjadi terpengaruh dan tidak mencerminkan gambaran sesungguhnya Testing effects Setting instrument penelitian agar mendapat gambaran yang tepat Tes 1: "price sensitive?", participants pasti jawab "tidak" Instrumentation (I) Contoh Tes 2: diberi 2 product, participants akan pilih yg mana? yang mahal atau murah? Concepts Angka ekstrim atas dan bawah seolah tak tampak akibat adanya nilai rata-rata sebagai konsekuensi dari Statistik Statistical regression (SR) Contoh: IPK rata-rata, income per kapita, dll Extraneous Variables (EV) Salah pilih/menempatkan participant dalam penelitian eksperimental Selection bias (SB) Salah pilih/menempatkan participant dalam penelitian eksperimental Event 1: ikut Mortality (MO) Event 2: ikut Contoh Event 3: tidak ikut (meninggal/sakit/berhalangan) Pemberian perlakuan secara random pada E.G. (experiment group) Randomization Setiap sel participant relatif memiliki kondisi yang setara Matching Kontrol terhadap pengukuran EV, penyesuaian effect melalui analisis statistik Controlling EV Statistical control Kontrol terhadap waktu, tempat, cover story/jeda, perlakuan, dst. Design control week 4 Causal Research Design.mmap - 18/03/2011 - Mindjet