Podcast
Questions and Answers
Which of the following best describes the concept of content validity?
Which of the following best describes the concept of content validity?
- The degree to which a test accurately represents the content it's intended to measure. (correct)
- The correlation between a test score and an external criterion.
- The consistency of a test's results over time.
- A test's ability to predict future performance on a related measure.
If a test consistently measures the same thing, but that thing is not what it's supposed to measure, the test is considered:
If a test consistently measures the same thing, but that thing is not what it's supposed to measure, the test is considered:
- Reliable but not valid. (correct)
- Neither valid nor reliable.
- Both valid and reliable.
- Valid but not reliable.
A researcher wants to assess the validity of a new personality test by correlating its scores with participants' scores on a well-established measure of emotional stability. This is an example of:
A researcher wants to assess the validity of a new personality test by correlating its scores with participants' scores on a well-established measure of emotional stability. This is an example of:
- Content validity.
- Construct validity.
- Concurrent validity. (correct)
- Predictive validity.
Which of the following is NOT a characteristic of a valid test?
Which of the following is NOT a characteristic of a valid test?
A test that accurately predicts a student's future performance in a particular field demonstrates:
A test that accurately predicts a student's future performance in a particular field demonstrates:
Flashcards
Validity
Validity
The extent to which a test accurately measures or predicts what it is intended to.
Content Validity
Content Validity
The degree to which a test's content represents the skill or knowledge it aims to measure.
Validity Coefficient
Validity Coefficient
A correlation that measures how well a test predicts external criteria based on test scores.
Predictive Validity
Predictive Validity
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Reliability vs. Validity
Reliability vs. Validity
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Study Notes
Validity Explained
- Validity is the accuracy of a test in measuring or predicting what it's intended to.
- Reliability doesn't automatically equal validity. A broken scale can be reliable (always giving the same reading) but not valid (not measuring the correct weight).
- Content validity assesses if a test's content accurately represents the intended subject matter. Using a French test for Chinese students lacks content validity.
- Validity coefficient quantifies validity. It measures the correlation between test scores and an external measure. If intelligent people score higher on an intelligence test and also get higher grades, the validity coefficient will be higher, signifying more test validity.
- Predictive validity determines if test scores accurately predict future performance related to the test. Mid-school test scores can predict high school grades, showcasing predictive validity.
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