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stats.spearman_brown

stats.spearman_brown(r, n)

Spearman-Brown prediction formula.

Parameters

Name Type Description Default
r float The reliability coefficient. required
n int or float The length of the new “test” relative to the current one. For example, if the current test has 10 items and the new test has 20 items, then n is 2. If the current test has 20 items and the new test has 10 items, then n is 0.5. required

Returns

Name Type Description
r_new float The predicted reliability coefficient.