Statistical Methods for Psychology

10

Relationbetweensamples

Relationships

Number of predictors

One

Independent

WilcoxonNumber of indep. var.RepeatedmeasuresANOVA

One

Degree of relationshipForm of relationship

Pearsoncorrelation One-way ANOVA

Relatedsample

t

Kruskal-Wallis

Dependent Dependent

Factorial ANOVA

Type of

data

Quantitative(measurement)

Type of question

Friedman

Multiple

Primaryinterest

Ranks

Continuous

Two-sample

t

Spearman's

rs

Mann-Whitney

Independent

Regression

Relationbetweensamples

Two

categorical variables

Measurement

Multiple

Two

Multiple

Multipleregression

Differences

Number of

groups

Qualitative (categorical)

Type of

categorization

Contingency

table

(^2) χ
Goodness-of-
fit
χ
2
One
categorical variable
Figure 1.1
Decision tree