What do tests with high concurrent validity typically show?

Tests that exhibit high concurrent validity demonstrate a strong correlation with other measures taken at the same time. This means that the results of the test in question align closely with results from other established tests that aim to measure the same construct or trait. Concurrent validity is important because it provides evidence that a new assessment method is measuring what it is intended to measure, as compared to existing methods.

When a test shows high concurrent validity, it indicates that the test is reliable and that it accurately reflects the conditions or attributes it is designed to assess, as it correlates well with other established assessments. This alignment can be especially useful in validating new tests or measures in disciplines such as psychology, education, and health care, where multiple tools may be used to evaluate similar traits or outcomes.

The other options do not accurately reflect the definition of concurrent validity. Lack of correlation with other tests suggests low validity, subjective assessments do not provide the same level of quantitative measurement necessary for validity comparisons, and high variability among test subjects would more likely indicate inconsistency in what is being measured rather than a strong correlation with other tests.