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A Framework for Physical Activity as a Complex and ...

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Instrument<br />

Characteristics<br />

METHODOLOGICAL ISSUES<br />

INSTRUMENT CHARACTERISTICS<br />

<strong>Activity</strong> v Intensity Specific<br />

Psychometric Properties<br />

Reliability, Validity, Sensitivity<br />

Me<strong>as</strong>ured Constructs<br />

Relevant to Study Population <strong>and</strong> Outcomes<br />

Mode of Administration<br />

Interviewer, Self, Computer/Electronic<br />

Recall Time Frame<br />

Specific, Historical, Usual<br />

27

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