as the sample gets smaller, the t distributions get:


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a.) narrower

b.) wider

c.) more reliable

d.) more accurate

May 10th, 2015

as the sample gets smaller, the t distributions get:


c.) more reliable


May 10th, 2015

with very few degrees of freedom, the test statistic:

a.) becomes very reliable

b.) employed should be a z test rather than a t test

c.) needs to be more extreme to reject the null hypothesis

d.) needs to be less extreme to reject the null hypothesis

May 10th, 2015

c.) needs to be more extreme to reject the null hypothesis

May 10th, 2015

A design that has two conditions with the same participants in each condition is a _________ design.

a.) longitudinal

b.) between-groups

c.) random time series

d.) repeated-measures

May 10th, 2015

The comparison distribution is a paired-sample t test is a distribution of:

a.) mean difference scores

b.) differences between means

c.) means

d.) scores

May 10th, 2015

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May 10th, 2015
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