a.) narrower

b.) wider

c.) more reliable

d.) more accurate

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

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

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

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