Psychology Homework Solutions
Problem
#49108

To estimate the effect of lengthening a 100-item test to 150 items on the tests reliability you would use which of the following

To estimate the effect of lengthening a 100-item test to 150 items on the tests reliability you would use which of the following?

a) Spearman-Brown formula
b) Kappa-Coefficient
c) Kuder-Richardson formuls 20
d) Pearson r

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