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Reliability across all methods of investigation. Ways of assessing reliability: test-retest and inter-observer; improving reliability.
Types of validity across all methods of investigation: face validity, concurrent validity, ecological validity and temporal validity. Assessment of validity. Improving validity.
Reliability across all methods of investigation. Ways of assessing reliability: test-retest and inter-observer; improving reliability.
Types of validity across all methods of investigation: face validity, concurrent validity, ecological validity and temporal validity. Assessment of validity. Improving validity.
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