Term
MISSING DATA
(IMPUTATIONS) |
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Definition
Use observed data values to predict missing FROM THE INDIVIDUAL
NEEDS A BIG SAMPLE SIZE |
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Term
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Definition
| TAKES THE WHOLE GROUP INTO ACCOUNT AND DEVELOPS AVERAGE |
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Term
CALIBRATION OF ACCELEROMETER
(ACTIVITY COUNTS) |
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Definition
DIMENSIONLESS
DEPENDS ON THE UNIT |
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Term
Activity cut points
Light
Moderate
Vig |
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Definition
Light < 3
Moderate 3 – 5.99
Vig ≥ 6 |
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Term
Compliance strategies
Researcher driven vs participant driven |
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Definition
Researcher calls participant
participant you call you and leave a messaage |
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Term
Length of valid days for wear time ?
Adults :
Youth : |
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Definition
adults 10 hours
youth 8 hours |
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Term
| Two ways of data replacement |
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Definition
| Imputation and meant replacement |
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Term
| HR is poorly correlated with PA during low intensity PA |
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Definition
| increases linearly with intensity during mod to vig activity |
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Term
Estimates of EE from HR
Flex Rate |
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Definition
| mean of highest HR during rest and lowest HR during exercise |
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Term
| Reliability days of wear for HR |
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Definition
| 4 days for . 8 reliability |
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Term
| progression of cognitive memory |
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Definition
Sensory -> Short Term --> Long term
Attention -> Exp monitor -> Retention |
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Term
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Definition
Estimated capacity of 7 items
chunking increases retention |
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Term
Types of Memory storage
Episodic
Generic |
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Definition
Epi: specific event recall individuals episodes
Gen: recall of patterns over extended period of time frequent and familiar events |
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Term
| Memory storage and self report |
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Definition
self report is often habitual memory for frequent activities
specific exercise is using episodic |
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Term
Modes of administration
self - administered
interview |
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Definition
self : less complex person fills out on own
Interview: facilitates comprehension, higher credibility |
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Term
| systematic vs random variation |
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Definition
sys : over or under estimate value true value bc of instrument error
random: variation of measurement around true underlying value caused by behavioral changing |
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Term
| days need to minimize random variation |
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Definition
7 - 10 males
14 - 21 females |
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Term
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Definition
Measeures EE by O2 consumption
compares O2 and Co2 in air on the way in and on the way out |
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Term
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Definition
different than light activity
< 1.5 mets |
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Term
momentary sampling
partial sampling
whole time |
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Definition
instantaneous record at completetition of the interval
scan sampling occurs at any time during observation
whole interval - only recorded if it takes the whole time |
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