Statistical Analysis for Education and Psychology Researchers

forming
groups)

(6.1)

Multiple Samples (groups) 1 Independent variable (factor)
Independent Related Independent
Related

IndependentRelated

Research Q:
Differences
between
groups (class
variable is
discrete
forming
groups)

— — One-way

ANOVA

Kruskal-

Wallis

Friedman

ANOVA

(7.6) by

Ranks (7.7)

One-way

ANOVA

(unrelated)

(8.7)

One-way

ANOVA

(related)

(8.8)

Multiple Samples (groups) More than 1 independent variable (factors)
Research Q:
Differences
between
groups (class
variable is
discrete
forming
groups)

Cochran’s

Q test for

>2

proportions

(6.7)

Two-way

ANOVA

(unrelated)(

(8.9)

Two-way

ANOVA

split-plot’)

(8.10)

Association
(class variable
is discrete
forming
groups)

r×k

χ^2 test (6.6)

— — — —

*Can be independent or related; (6.1) indicates Chapter and section in text; †Independent

and related

Decision chart for choosing a statistical test

Index 421