Podcast
Questions and Answers
What is the main purpose of assessing how well individual items perform in a test?
What is the main purpose of assessing how well individual items perform in a test?
- To determine if good students perform better than poor students (correct)
- To identify the spread in scores among students
- To evaluate the reliability and validity of the test
- To understand the effectiveness of instructions given to students
Why is high reliability necessary for high test validity?
Why is high reliability necessary for high test validity?
- Higher reliability guarantees higher validity
- Low reliability leads to low test validity
- High reliability is a sufficient condition for high validity
- High reliability is a prerequisite for high validity (correct)
What does it mean if good and poor students have similar chances of getting a high score on a test?
What does it mean if good and poor students have similar chances of getting a high score on a test?
- The test lacks validity (correct)
- The test has high reliability
- The test lacks instructions
- The test has low reliability
What does the text suggest about item analyses in relation to test validity?
What does the text suggest about item analyses in relation to test validity?
Why might higher reliability not necessarily lead to higher validity in tests?
Why might higher reliability not necessarily lead to higher validity in tests?
What can discovering how well individual items assess intended learning outcomes help identify?
What can discovering how well individual items assess intended learning outcomes help identify?
What is the purpose of item analysis in a test?
What is the purpose of item analysis in a test?
How is the index of difficulty of an item calculated?
How is the index of difficulty of an item calculated?
In item analysis, what is considered a 'very difficult' difficulty index range?
In item analysis, what is considered a 'very difficult' difficulty index range?
What does positive discrimination imply in a test?
What does positive discrimination imply in a test?
What does the discriminating index measure in item analysis?
What does the discriminating index measure in item analysis?
What is the main benefit of evaluating the effectiveness of distracters in test items?
What is the main benefit of evaluating the effectiveness of distracters in test items?
