Data Analysis Flowchart

DV Continuous

DV Catagorical

1 IV

More than 1IV

Ordinal or Continuous but Skewed

Nominal DV

IV Continuous

All IVS Catagorical

All/most continuous or mixed

IV Catagorical

1IV

2+ IV

Catagorical IV

Continuous IV

BIVARIATE CORRELATION

IV 2 lvls

IV 3+ lvls

Between Groups

Within Subjects

INDEPENDENT GROUPS T-TEST

PAIRED SAMPLES T-TEST

Between Groups

Within Subjects

INDEPENDENT GROUPS ONE WAY ANOVA

REPEATED MEASURES ONE WAY ANOVA

MULTIPLE REGRESSION

All IVs Between Groups

Both repeated & Independent

INDEPENDENT GROUPS FACTORIAL ANOVA

MIXED FACTORIAL ANOVA

All IVs within subjects

More than 1DV

REPEATED MEASURES FACTORIAl ANOVA

FACTORIAL MANOVA IF DVS COMBINE TO GIVE A MEASURE

Catagorical IV

Continuous IV

Catagorical IV

Continuous IV/mix

CHI SQUARE

LOGISTIC REGRESSION

SPEARMAN'S RHO CORRELATION

IV has 2 levels

IV has 3+ levels

Within Subjects

Between Groups

WILCOXON SIGNED RANK TEST

MANN-WHITNEY U TEST

Within Subjects

Between Groups

FRIEDMAN'S TEST

KRUSAKI-WALLIS TEST

HARD* ALIGNED RANKS TEST OF ORDINAL ASSESSMENT OF INTERACTIONS OR ANALYSIS OF SIMPLE EFFECTS

MULTIPLE REGRESSION NORMALITY NOT REQUIRED EXCEPT FOR RESIDUALS & CAN DO HISTOGRAM TO LOOK FOR HOMOSCDASTICITY OTHERWISE NEED TRANSFORMATION

Mediation, 2 variables, one causes other, if mediator catagorcal must create dummy

Moderation 2 variables interac can have 1 catagorical

Continuous control variable and one IV

FACTORIAL ANCOVA