10 Questions
What type of error does the split-half reliability method address?
Content sampling error
What is the limitation of the reliability index gathered through split-half reliability?
It only measures the reliability of half the number of items in the test
What is the formula for KR20?
KR20 = rtt = 1 + rh / h
What does the coefficient alpha measure?
Inter-item consistency
What is the purpose of scorer reliability?
To minimize scorer variance in judgmental tests
What type of tests are prone to scorer variance?
Projective tests and unstructured personality tests
What is the formula for Coefficient Alpha?
r = (n / (n-1)) * (1 - (Σpq) / SD2t)
What does the correlation in split-half reliability signify?
The consistency of responses to all items in the test
Why is scorer reliability necessary in certain tests?
Because test scores rely on the judgment of the scorer
What is the purpose of KR20?
To measure inter-item consistency
Measure the consistency of test scores with this quiz on test construction reliability. Learn about true score vs. observed score, sources of error, and reliability measures. Explore different types of reliability including test-retest and alternate-form reliability.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
