# Πώς να υπολογίσετε το df για όλα τα σχέδια ANOVA

Here are the formulas for df in ANOVA. How to calculate df for all ANOVA designs

ONE-WAY ANOVA SUMMARY TABLE
Source SS df MS F p
Berween number of independent groups minus 1
Within total number of scores minus number of independent groups
Total total number of scores minus 1

2x2 FACTORIAL ANOVA SUMMARY TABLE
Source SS df MS F p
Berween A number of independent groups of factor A minus 1
Between B number of independent groups of factor B minus 1
AxB (interaction) df A x df B
Within total number of scores minus number of groups
Total total number of scores minus 1

ANOVA MIXED SPIT PLOT SUMMARY TABLE

SOURCESS dfMS Fp
Between Independent
Bnumber of independent groups minus 1
Errortotal number of subjects minus the number of independent groups
Totaltotal number of subjects minus 1
Between repeated measures
Anumber of repetitions minus 1
AxBdf A x df B
Errorerror between independent x number of repetitions
Total
TOTALtotal number of scores minus 1

REPEATED MEASURES ANOVA SUMMARY TABLE
SOURCE SS df MS F p
Between Treatments number of treatments minus 1
Between Rows number of subjects minus 1
Error df between x df rows
Total total number of scores minus 1
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