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MiOO kwantitatief samenvatting

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MiOO kwantitatief samenvatting

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Uploaded on
September 15, 2022
Number of pages
38
Written in
2022/2023
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MiOO: kwantitatief onderzoek
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Week 1 – multipele regressie.................................................................................................................2
Hoorcollege........................................................................................................................................2
Goodness of fit:..............................................................................................................................2
Kwadratensom/sum of squares (SS)...............................................................................................2
Totale kwadratensom (SST).............................................................................................................2
Kwadratensom van het model (SSM)...............................................................................................2
Kwadratensom van de errors (SSR).................................................................................................3
Werkgroep 1.......................................................................................................................................6
Week 2 meerweg ANOVA.....................................................................................................................12
Voorbereiding werkgroep.................................................................................................................12
Hoorcollege – meerweg ANOVA.......................................................................................................15
Werkgroep 2.....................................................................................................................................16
Zelftest..............................................................................................................................................19
Week 3 ANCOVA...................................................................................................................................20
Voorbereiding:..................................................................................................................................20
Werkgroep........................................................................................................................................23
Grasple.............................................................................................................................................26
Week 4 mixed design en herhaalde metingen......................................................................................28
Hoorcollege......................................................................................................................................28
Werkgroep........................................................................................................................................31
Week 5 Moderatie en mediatie............................................................................................................36
Grasple.............................................................................................................................................36

,Week 1 – multipele regressie
Hoorcollege

Stap 5. Evaluatie statistische fit én praktische relevantie van het model

• Gehele model
• Individuele predictoren

Goodness of fit:
 R2 als de maat voor algehele modelfit
 R2 = determinatiecoëfficient
 R2 =
 R2 = percentage variantie verklaar door het model

Kwadratensom/sum of squares (SS)



 SST = total SS: totale kwadratensom
 SSM = model SS: kwadratensom van het model
 SSR = residual SS: kwadratensom van de voorspellingsfout


Totale kwadratensom (SST)
Som van de gekwadrateerde afwijkingen van geobserveerde scores tot het algemeen gemiddelde




Kwadratensom van het model (SSM)
Som van de gekwadrateerde afwijkingen van voorspelde scores tot het algemeen gemiddelde.

,Kwadratensom van de errors (SSR)
Som van de gekwadrateerde afwijkingen van de geobserveerde scores tot de voorspelde scores.

, Alle predictoren samen verklaren 13.7%.




Om predictoren met elkaar te vergelijken gebruik je de gestandadiseerde Beta.




Je gebruikt dus voor de regressie vergelijking de gewone B.

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Copies have mainly been made from grasple and lectures. I wouldn't call it a summary

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