Basis van Onderzoeksmethoden en Statistiek (201900014)
Summary
Samenvatting BOS Experimenteel T-toets en ANOVA (NHST en Beysiaans) in schema uitleg Beysian updating, Post hoc toets en informatieve hypothese
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Basis van Onderzoeksmethoden en Statistiek (201900014)
Institution
Universiteit Utrecht (UU)
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Experimenteel onderzoek. T-toets en ANOVA stappen waarin NHST en Beysiaans naast elkaar in schema staan weergegeven met uitleg over Beysian updating, de Post hoc toets en informatieve hypothese.
Kennismaking met onderzoeksmethoden en statistiek (KOM): Samenvatting boek Custom Research Methods - Morling
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Universiteit Utrecht (UU)
Clinical Child, Family And Education Studies
Basis van Onderzoeksmethoden en Statistiek (201900014)
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t-toets
NHST Beyesiaans
1 o Nul-alternatieve hypothese o Nul- alternatieve hypothese
H0: μ1 = μ2 H0: μ1 = μ2
H1: μ1 > μ2 H1: μ1 > μ2
o Significantieniveau α
2 o Assumpties controleren o Assumpties controleren
Afhankelijke variabele minimaal interval/ratio meetniveau Afhankelijke variabele minimaal interval/ratio meetniveau
Aselecte steekproef Aselecte steekproef
Onafhankelijke groepen Onafhankelijke groepen
Groepen normaal verdeeld (of N > 30) Groepen normaal verdeeld (of N > 30)
Gelijke spreiding (of beide groepen even groot) Gelijke spreiding (of beide groepen even groot)
o Boxplot o Boxplot
o Levene’s test o Levene’s test
3 o Toetsingsgrootheid F o Bayes Factor
o P-waarde
o PMKs
4 o Beslissing H0 o Conclusie
(Verwerpen of niet) Bv: Voor H1 4,3 meer ondersteuning dan voor H0
5 o Inhoudelijke conclusie o Inhoudelijke conclusie
o Effectgrootte d o Bayesian updating (zie hieronder)
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