Topic 8 EA : Test Reliability and Validity @ OUM

What does test reliability refer to?

• Accuracy of test items

• Consistency of test results over time

• Relevance of test to curriculum

• Ability to interpret test scores

Which of the following best describes inter-rater reliability?

• Consistency of a test over multiple administrations

• Agreement between different raters

• Consistency within a single rater’s scores

• Stability of test scores over time

The reliability coefficient ranges between which values?

• 0 to 1

• -1 to 1

• 1 to 10

• 0 to 100

Which methods estimates reliability by splitting a test into two halves?

• Test-retest method

• Split-half method

• Parallel forms method

• Inter-rater method

What does validity measure?

• Test’s difficulty

• Consistency of test scores

• Extent to which a test measures what it is intended to measure

• Test-taker's ability to guess answers

What type of validity focuses on the extent to which test items reflect the content of the curriculum?

• Construct validity

• Criterion-related validity

• Content validity

• Predictive validity

Which validity type assesses the relationship between test scores and future performance?

• Concurrent validity

• Predictive validity

• Content validity

• Face validity

Which factor can negatively affect the validity of a test?

• Large sample size

• Clear test instructions

• Ambiguous test items

• Balanced question difficulty

Which of the following improves test reliability?

• Increasing the number of test items

• Using ambiguous questions

• Shortening the test duration

• Reducing sample size

What does 'test homogeneity' refer to in reliability?

• Use of diverse test items

• Consistency in item difficulty

• Measurement of a single trait or ability

• Similarity in test-taker responses