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T-test
N/A
6
Psychology
Undergraduate 1
05/31/2014
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Cards

Term
DV/IV
 Definition

CONTINUOUS DV

 

CATEGORICAL IV
Term
equation
 Definition

t=(sample mean - pop. mean)/SE of sample means.

 

Sample mean: difference between each sample mean.
Term
t-score
 Definition
How many SE a particular mean is away from average sample mean.
Term
t-test
 Definition
Compares the means for two sets of scores
Term
Related t-test
 Definition

within-participants/matched design.

 

Variation due to;

·difference between the two means

·Error variance

 

Related scores= more control over variance because less error. HOWEVER- learning effect.


IV- changes between  times
Term
Paired vs Independent t-test
 Definition

Paired: tests whether means from two conditions  in the same pp are significantly different.

Independent: tests whether  two groups of different pps have significantly different means.

 
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