Explain meaning of reliability coefficient

Reference no: EM133616657

In this task, discuss ways to gather evidence of a test's reliability and validity. In a four to six pg paper, describe different types of reliability estimates and forms of validity. Then, explain how a test developer or test user could gather evidence of a test's reliability and validity.

1. Define the concept of reliability.

2. Explain the meaning of a reliability coefficient.

3. Explain how a test developer or test user could gather evidence for the test's reliability using two reliability estimates (i.e., test-retest, parallel-forms, alternative forms, split-half, and internal consistency reliability estimates). For example, how might a test developer who has developed a new psychological test measure test-retest reliability?

4. Define the concept of validity.

5. Explain the meaning of validation.

6. Explain how a test developer or test user could gather evidence for a test's face validity, content validity, construct validity, and criterion-related validity. For example, how might a test developer who has just developed a new psychological test gather evidence that the test has content validity?

Reference no: EM133616657

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