What is Test Reliability, and What Difference Does It Make? COPA

Author(s):

Livingston, Samuel A.

Publication Year:

1980

Source:

ETS COPA Scope, v3 n1 p1-3, Sep 1980

Document Type:

Article

Page Count:

3

Subject/Key Words:

Center for Occupational and Professional Assessment (COPA), Test Reliability, Error of Measurement, Test Length, Correlation