,Inhoudsopgave
Thema 1: Experimenten.........................................................................................................................5
Hoofdstuk 7 Experimentele designs...................................................................................................5
7.1 Inleiding....................................................................................................................................5
7.1.1 Controlegroepen....................................................................................................................5
7.2 Typen experimentele ontwerpen.............................................................................................6
7.3 Volledig gerandomiseerd ontwerp versus quasi-experiment...................................................6
7.4 Between-subjects versus within-subjects designs....................................................................9
7.5 Voorbeelden van experimentele designs..................................................................................9
7.6 Manipulatiechecks..................................................................................................................14
7.7 Ethiek bij experimenten..........................................................................................................15
Hoofdstuk 10 – Validiteit van experimenteel onderzoek..................................................................16
10.3 Bedreigingen voor externe validiteit....................................................................................16
10.4 Interne validiteit...................................................................................................................17
10.5 Bedreigingen voor de interne validiteit................................................................................17
Hoofdstuk 32: Power voor t-toetsen................................................................................................18
32.1 Power van de onafhankelijke t-toets....................................................................................18
32.2 Power voor gepaarde t-toetsen............................................................................................19
Belangrijke inzichten:....................................................................................................................19
Hoofdstuk 33: Power voor variantieanalyse.....................................................................................19
Hoofdstuk 37: Wetenschappelijke integriteit...................................................................................21
37.1 Wetenschappelijke integriteit...............................................................................................21
37.2 Ethiek en ethische commissies.............................................................................................21
37.3 Ethische aspecten.................................................................................................................22
Thema 2: T-toets..................................................................................................................................24
Hoofdstuk 23: t-toetsen en Cohen’s d..............................................................................................24
23.1 Een verschil tussen twee gemiddelden.................................................................................24
23.2 De steekproevenverdeling en het betrouwbaarheidsinterval..............................................24
23.3 Cohen’s d..............................................................................................................................24
23.5 Levene’s toets voor gelijkheid van varianties.......................................................................25
23.6 Aannames van de t-toets......................................................................................................26
23.7 De gepaarde t-toets..............................................................................................................26
Hoofdstuk 19: Datascreening...........................................................................................................30
19.1 Inleiding................................................................................................................................30
19.2 Onmogelijke waarden...........................................................................................................30
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, 19.6 Data-screening en open science...........................................................................................37
Thema 3: Variantieanalyse...................................................................................................................38
Hoofdstuk 24: Varianatieanalyse......................................................................................................38
24.1 Inleiding tot one-way ANOVA...............................................................................................38
24.2 De logica achter ANOVA.......................................................................................................38
24.3 Aannamen bij ANOVA...........................................................................................................40
24.4 Effectmaten bij ANOVA.........................................................................................................40
24.5 Specifieke groepsverschillen toetsen – contrasten vs post-hoc............................................41
24.6 Kanskapitalisatie...................................................................................................................43
24.7 Interpretatie van parameterschattingen bij one-way ANOVA..............................................44
Thema 4: Experimentele controle; factoriële designs..........................................................................47
Hoofdstuk 27: Factoriële ANOVA......................................................................................................47
27.1 Inleiding................................................................................................................................47
27.2 Assumpties van factoriële ANOVA........................................................................................48
27.3 Interactie en moderatie........................................................................................................48
27.4 Het lineair model van factoriële ANOVA...............................................................................51
27.5 Model met interactietermen................................................................................................52
27.6 Simple Effects.......................................................................................................................53
Thema 5: Statistische controle, covariantieanalyse..............................................................................56
Hoofdstuk 28: Covariantie analyse...................................................................................................56
28.2 Hoe werkt statistisch controleren?.......................................................................................57
28.3 Aannames bij covariantieanalyse (ANCOVA)........................................................................58
28.4 Voorbeeld: covariaten in het lineaire model........................................................................60
Thema 6: Herhaalde metingen.............................................................................................................62
Hoofdstuk 29: Single-case designs....................................................................................................62
29.1 Inleiding................................................................................................................................62
29.2 AB-design en alternatieven...................................................................................................62
29.3 Effectgrootte.........................................................................................................................63
29.4 Kwaliteitsrichtlijnen..............................................................................................................63
29.5 Voorbeeld couple therapy data............................................................................................64
29.6 Randomisatietoets................................................................................................................64
Hoofdstuk 30: ANOVA voor herhaalde-metingen.............................................................................64
30.1 Inleiding: Wat zijn herhaalde-metingen designs?.................................................................64
30.2 Herhaalde-metingendesign...................................................................................................65
30.3 Volgorde-effecten en counterbalancing...............................................................................65
30.4 De logica achter een herhaalde-metingen ANOVA...............................................................66
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, 30.5 Herhaalde-metingen en het lineair model............................................................................67
30.6 RM-ANOVA versus multilevelanalyse (MLA).........................................................................67
30.7 Assumpties van een RM-ANOVA...........................................................................................68
30.8 Voorbeeld: slaapkwaliteit en drank......................................................................................69
30.9 Mixed designs.......................................................................................................................69
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Thema 1: Experimenten.........................................................................................................................5
Hoofdstuk 7 Experimentele designs...................................................................................................5
7.1 Inleiding....................................................................................................................................5
7.1.1 Controlegroepen....................................................................................................................5
7.2 Typen experimentele ontwerpen.............................................................................................6
7.3 Volledig gerandomiseerd ontwerp versus quasi-experiment...................................................6
7.4 Between-subjects versus within-subjects designs....................................................................9
7.5 Voorbeelden van experimentele designs..................................................................................9
7.6 Manipulatiechecks..................................................................................................................14
7.7 Ethiek bij experimenten..........................................................................................................15
Hoofdstuk 10 – Validiteit van experimenteel onderzoek..................................................................16
10.3 Bedreigingen voor externe validiteit....................................................................................16
10.4 Interne validiteit...................................................................................................................17
10.5 Bedreigingen voor de interne validiteit................................................................................17
Hoofdstuk 32: Power voor t-toetsen................................................................................................18
32.1 Power van de onafhankelijke t-toets....................................................................................18
32.2 Power voor gepaarde t-toetsen............................................................................................19
Belangrijke inzichten:....................................................................................................................19
Hoofdstuk 33: Power voor variantieanalyse.....................................................................................19
Hoofdstuk 37: Wetenschappelijke integriteit...................................................................................21
37.1 Wetenschappelijke integriteit...............................................................................................21
37.2 Ethiek en ethische commissies.............................................................................................21
37.3 Ethische aspecten.................................................................................................................22
Thema 2: T-toets..................................................................................................................................24
Hoofdstuk 23: t-toetsen en Cohen’s d..............................................................................................24
23.1 Een verschil tussen twee gemiddelden.................................................................................24
23.2 De steekproevenverdeling en het betrouwbaarheidsinterval..............................................24
23.3 Cohen’s d..............................................................................................................................24
23.5 Levene’s toets voor gelijkheid van varianties.......................................................................25
23.6 Aannames van de t-toets......................................................................................................26
23.7 De gepaarde t-toets..............................................................................................................26
Hoofdstuk 19: Datascreening...........................................................................................................30
19.1 Inleiding................................................................................................................................30
19.2 Onmogelijke waarden...........................................................................................................30
2
, 19.6 Data-screening en open science...........................................................................................37
Thema 3: Variantieanalyse...................................................................................................................38
Hoofdstuk 24: Varianatieanalyse......................................................................................................38
24.1 Inleiding tot one-way ANOVA...............................................................................................38
24.2 De logica achter ANOVA.......................................................................................................38
24.3 Aannamen bij ANOVA...........................................................................................................40
24.4 Effectmaten bij ANOVA.........................................................................................................40
24.5 Specifieke groepsverschillen toetsen – contrasten vs post-hoc............................................41
24.6 Kanskapitalisatie...................................................................................................................43
24.7 Interpretatie van parameterschattingen bij one-way ANOVA..............................................44
Thema 4: Experimentele controle; factoriële designs..........................................................................47
Hoofdstuk 27: Factoriële ANOVA......................................................................................................47
27.1 Inleiding................................................................................................................................47
27.2 Assumpties van factoriële ANOVA........................................................................................48
27.3 Interactie en moderatie........................................................................................................48
27.4 Het lineair model van factoriële ANOVA...............................................................................51
27.5 Model met interactietermen................................................................................................52
27.6 Simple Effects.......................................................................................................................53
Thema 5: Statistische controle, covariantieanalyse..............................................................................56
Hoofdstuk 28: Covariantie analyse...................................................................................................56
28.2 Hoe werkt statistisch controleren?.......................................................................................57
28.3 Aannames bij covariantieanalyse (ANCOVA)........................................................................58
28.4 Voorbeeld: covariaten in het lineaire model........................................................................60
Thema 6: Herhaalde metingen.............................................................................................................62
Hoofdstuk 29: Single-case designs....................................................................................................62
29.1 Inleiding................................................................................................................................62
29.2 AB-design en alternatieven...................................................................................................62
29.3 Effectgrootte.........................................................................................................................63
29.4 Kwaliteitsrichtlijnen..............................................................................................................63
29.5 Voorbeeld couple therapy data............................................................................................64
29.6 Randomisatietoets................................................................................................................64
Hoofdstuk 30: ANOVA voor herhaalde-metingen.............................................................................64
30.1 Inleiding: Wat zijn herhaalde-metingen designs?.................................................................64
30.2 Herhaalde-metingendesign...................................................................................................65
30.3 Volgorde-effecten en counterbalancing...............................................................................65
30.4 De logica achter een herhaalde-metingen ANOVA...............................................................66
3
, 30.5 Herhaalde-metingen en het lineair model............................................................................67
30.6 RM-ANOVA versus multilevelanalyse (MLA).........................................................................67
30.7 Assumpties van een RM-ANOVA...........................................................................................68
30.8 Voorbeeld: slaapkwaliteit en drank......................................................................................69
30.9 Mixed designs.......................................................................................................................69
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