An individual's score on an achievement test is .82 . The standard error of measurement for the test is reported to be 3 points. What are the chances that the individual's true score is between 76 and 88?
a. About 1 chance in 3
b. About 1 chance in 6
c. About 2 chances in 3
d. About 9 chances in 10
e. About 95 chances in 100
Ques. 2A test has a reliability coefficient of .84 . What percent of test variance is error?
a. 4
b. 16
c. 32
d. 71
e. 84
Ques. 3The correlation between two equivalent forms of an objective test administered in immediate succession enables one to determine the proportion of error variance due to
a. item homogeneity.
b. temporal fluctuation.
c. item sampling.
d. scorer reliability.
e. a and b
Ques. 4A test was given to a group of sixth grade children. The score reliability of the test was found to be .70 . Later the test was given to the seventh and eighth grades in the same school system and the results for the three grades were combined. What would you expect the reliability coefficient of the test to be?
a. Above .70
b. Below .70
c. Very close to .70
d. Impossible to determine from the information given.