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Measuring Instructional Practice In Science Using Classroom Artifacts:Lessons Learned From Two Validation Studies
science education measurement of instruction generalizability theory
2015/11/9
With growing interest in the role of teachers as the key mediators between educational policies and outcomes, the importance of developing good measures of classroom processes has become increasingly ...
Perceptual artifacts and phenomena:Gibson's role in the 20th century
Perceptual artifacts phenomena Gibson century
2015/8/13
The concepts of invariants and cues are useful, as are those of dorsal and ventral streams, but Norman overgeneralizes when interweav-ing them. Cues are not confined to identification tasks, invariant...
sEMG during Whole-Body Vibration Contains Motion Artifacts and Reflex Activity
Stretch reflex vibration training power spectral density frequency analysis filtering spectral linear interpolation
2015/5/26
The purpose of this study was to determine whether the excessive spikes observed in the surface electromyography (sEMG) spectrum recorded during whole-body vibration (WBV) exercises contain motion art...