Exhibit 9-7: The following results were obtained when two forms of a criterion-referenced test were administered to a sample of 50 students:
Form 1
Nonmaster Master

-Refer to Exhibit 9-7.Calculate the index that shows the extent of agreement beyond that expected by chance (phi).
A) .61
B) .64
C) .68
D) .76
E) .78

Question

Exhibit 9-7: The following results were obtained when two forms of a criterion-referenced test were administered to a sample of 50 students:
Form 1
Nonmaster Master
 
-Refer to Exhibit 9-7.Calculate the index that shows the extent of agreement beyond that expected by chance (phi).
A) .61 
B) .64 
C) .68 
D) .76 
E) .78

Quizplus · Accepted Answer

Phi is a measure of association that ranges from -1 to 1. A value of 0 indicates no association, while a value of 1 indicates perfect association. In this case, the phi coefficient is .61, which indicates a strong positive association between the two variables.

Exhibit 9-7: the Following Results Were Obtained When Two Forms