The Truth About the Psychometric Properties of Mental Health Tests
What are the psychometric properties of mental health tests? For example, if a test is being conducted to diagnose schizophrenia, the psychometric properties should provide evidence that it will be functional in testing the mental disorder. Reliability : The result of the tests should be consistent. Practicability : The test should be practicable. Psychometric properties of a test also include a test’s difficulty, whether it can differentiate between people and whether the correct answer can be given by guessing. The examples of reliability are: Test-retest reliability : Two tests done in two different months should have the same results. If a test has external validity, it means that the researcher has confidence in their testing.
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