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Hogan, Lindsey C.; Bell, Matthew; Olson, Ryan – Journal of Organizational Behavior Management, 2009
The vigilance reinforcement hypothesis (VRH) asserts that errors in signal detection tasks are partially explained by operant reinforcement and extinction processes. VRH predictions were tested with a computerized baggage screening task. Our experiment evaluated the effects of signal schedule (extinction vs. variable interval 6 min) and visual…
Descriptors: Air Transportation, Security Personnel, Screening Tests, Reinforcement
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Cornoldi, Cesare; Venneri, Annalena; Marconato, Fabio; Molin, Adriana; Montinari, Cinzia – Journal of Learning Disabilities, 2003
An 18-item "Shortened Visuospatial Questionnaire" (SVS) was validated twice, first by verifying that children (ages 8-13) identified with the SVS questionnaire as having visuospatial learning disability (VSLD) (n=54) actually showed visuospatial deficits on psychometric evaluation, and second, by rating with the SVS a clinically identified…
Descriptors: Disability Identification, Elementary Education, Learning Disabilities, Questionnaires
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Morse, A. R.; And Others – Journal of Visual Impairment and Blindness, 1987
Vision assessments were provided to 297 preschoolers in nine Head Start programs in New York State. The protocol used provided a thorough evaluation and required only seven minutes per child. Sixty-three children (21.2%) were referred for further evaluation. Visual deficits detected included decreased acuity, strabismus, astigmatism, and…
Descriptors: Preschool Education, Preschool Tests, Screening Tests, Strabismus