What problem is Cohen’s Kappa intended to correct?
a. Split-half reliability tends to underestimate the true reliability of the full test.
b. Split-half reliability tends to overestimate the true reliability of the full test.
c. The simple percentage of agreement tends to overestimate the true level ofagreement between two observers.
d. The simple percentage of agreement tends to underestimate the true level of agreement between two observers
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