SPSS samenvatting blok 3 Experimenteel en Correlationeel Onderzoek
Scatterplot maken;
Graph chart builder simple scatter onafhankelijke variabele naar x-as, afhankelijk
naar y-as OK
Correlatie berekenen;
Analyse correlate bivariate 2 variabelen in variable box pearson aanvinken
options execute cases list/pairwise continue OK
Regressielijn toevoegen in scatterplot;
In scatterplot dubbelklik elements fitline at total lineair apply
Enkelvoudige lineaire regressieanalyse uitvoeren;
Edit options onder output vink aan; no scientific notation for small number in tables
OK analyse regression lineair independent en dependent variable invoeren
method; enter statistics; selecteren wat gevraagd; interval, r squared, descriptives, part
continue OK
Meervoudige lineaire regressieanalyse uitvoeren;
Analyse regression lineair dependent en meerdere independent variabele invoeren
method; enter statisticts; selecteren wat wordt gevraagd, save; statistieken voor
outliers, options; list/pairwise continue OK
Meervoudige regressievergelijking formuleren;
Constante = b0 andere predictoren invullen voor ; b1 b2 bij X1 en X2 Ydak = constante +
predictor X1 + predictor X2
Semi-partiële correlaties opvragen;
Bij meervoudige regressie; statistics part and partial correlation selecteren
Unieke bijdrages beoordelen;
In output in coefficients table; part per predictor kijken welke bijdrage
R, Rs, Rpb en phi berekenen;
r = Sxy/SxSy covariantie delen door sd x en y; covariantie = (∑(Xi-Xgem)(Yi-Ygem))/N-1
rs = ∑ (rXi - rXgem)/sd x (rYi - rYgem)/sd = ∑ZxZy/N-1 rangscores – gemiddelde rangscores
rpb = √t2/t2+df
phi = AD – BC / √(A+B)(C+D)(A+C)(B+D) schuin in tabel delen door marginale totale
Betrouwbaarheidsintervallen opvragen;
In enkelvoudige en meervoudige regressie; save mean (individual = voospellingsinterval)
procent aangeven continue OK
Hiërarchische lineaire regressieanalyse uitvoeren;
Analyse regression lineair variabele in dependent, eerste variabele in independent
next twee variabele in independent etc. statistics estimates en model fit
continue OK
Tabellen aanpassen met Pivoting Trays;
In uitvoer bestand dubbelklik enkele cel of meer selecteren rechter muisknop
pivoting trays statistieken naar linksboven slepen OK
Celwaarden in tabellen aanpassen;
In uitvoer bestand dubbelklik enkele cel of meer selecteren rechter muisknop
cell properties aanpassen wat gevraagd wordt apply OK
Betrouwbaarheidsinterval en voorspellingsinterval in scatterplot weergeven;
In scatterplot dubbelklik elements fitline at total interval aanvinken (mean of
individual) apply
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