In the language of psychological testing and assessment,reliability BEST refers to
A) how well a test measures what it was originally designed to measure.
B) the complete lack of any systematic error.
C) the proportion of total variance that can be attributed to true variance.
D) whether or not a test publisher consistently publishes high quality instruments.

Question

Quizplus · Accepted Answer

Reliability refers to the consistency or stability of test results over time or across different test administrators. The proportion of total variance that can be attributed to true variance is a measure of how consistent the test results are over time or across different test administrators, and is therefore the best answer. Option A refers to validity, Option B refers to random error, and Option D is not directly related to reliability.

In the Language of Psychological Testing and Assessment,reliability BEST Refers