1988
DOI: 10.1177/001440298805500103
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Direct Observation: Factors Affecting the Accuracy of Observers

Abstract: The use of direct observation methods to collect data relevant to research and practice in special education is widespread. Although the reliability of such data has often been addressed, far less attention has focused on the accuracy of these data. The purposes of this article are (a) to review research on factors that adversely affect the accuracy of observers, and (b) to provide recommendations for reducing their possible influence. The areas discussed include reactivity, observer drift; the recording proce… Show more

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Cited by 41 publications
(23 citation statements)
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“…Afin de minimiser le biais de réactivité, le décodage ne débutait qu'après les cinq premières minutes d'interaction (Repp, Nieminen, Olinger & Brusca, 1988). Trois observatrices, étudiantes diplô-mées en psychoéducation, avaient été formées à l'application de ce système de décodage pour un total de 35 heures.…”
Section: Outils D'évaluationunclassified
“…Afin de minimiser le biais de réactivité, le décodage ne débutait qu'après les cinq premières minutes d'interaction (Repp, Nieminen, Olinger & Brusca, 1988). Trois observatrices, étudiantes diplô-mées en psychoéducation, avaient été formées à l'application de ce système de décodage pour un total de 35 heures.…”
Section: Outils D'évaluationunclassified
“…In general, participant reactivity, or participants changing their behavior in response to being observed, [25][26][27] can be a limitation of any observation study. This impact was reduced by the adaptation period included in the study design.…”
Section: (4)mentioning
confidence: 99%
“…[5][6] Electronic devices are a relatively new innovation in the measurement of settingbased physical activity. When the resources required to observe users of public openspace settings are prohibitive, electronic means may be a cost-and time-effective alternative.…”
Section: Measuring Physical Activity In Public Open Space -An Electromentioning
confidence: 99%