Undoubtedly the single greatest source of error in group test administration is:
A) reading the wrong instructions
B) giving the wrong form of the test
C) giving a test to the wrong age group
D) incorrect timing of tests

Question

Quizplus · Accepted Answer

Incorrect timing of tests is often the greatest source of error in group test administration as it can significantly affect the performance and results of all test-takers.

Undoubtedly the Single Greatest Source of Error in Group Test