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ANOVA for unrelated
N/A
9
Psychology
Undergraduate 1
06/02/2014

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Cards

Term
F-ratio test
Definition

Variance ratio test between groups.

 

Larger variance/smaller variance.

 

Term
ANOVA for unrelated
Definition

Difference between the means of 2+ groups.

 

Compares variance between groups to variance within groups.

Term
Variables in ANOVA
Definition

IV- categorical

DV- continuous

Term
Error variance
Definition

Variance within a group.

Can't be controlled- individual differences.


True score- corresponding original score.


Degrees of freedom: N-K

Term
True Variance
Definition

Variance due to IV manipulation.

 

IV mean (column mean) most accurate estimate.


Degrees of freedom: K-1

Term
NULL hypothesis
Definition

No difference between variance between and within groups. 

 

Differences are due to error variance (V. within groups), not due to manipulation of IV.

Term
Equation
Definition

sum of sq./(K-1)= true variance

 

divided by

 

sum of sq./(N-K)= error variance

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