Types of validity and reliability

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Types of validity and reliability by Mind Map: Types of validity and reliability

1. Validity

1.1. Content validity evidence

1.2. Criterion- related validity evidence

1.2.1. Validity refers to the accuracy of an assessment -- whether or not it measures what it is supposed to measure. Even if a test is reliable, it may not provide a valid measure. Tests should be reliable and it should not matter when a student takes a test, what time of day or what day of the week.

1.3. Construct validity evidence

2. Reliability

2.1. Test-retest

2.2. Alternative form

2.2.1. Reliability refers to the extent to which assessments are consistent. Even if a test is reliable, it may not provide a valid measure. Test should be accurate at what they measure all the time.

2.3. Internal consistency