Jacqueline M Hill

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1. Diel vertical migration (DVM) is a widespread phenomenon among marine and freshwater organisms and many studies with various taxa have sought to understand its adaptive significance. Among crustacean zooplankton and juveniles of some fish species DVM is accepted widely as an antipredator behaviour, but little is known about its adaptive value for(More)
The Large Binocular Telescope (LBT) Project is a collaboration between institutions in Arizona, Germany, Italy, and Ohio. With the addition of the partners from Ohio State and Germany in February 1997, the Large Binocular Telescope Corporation has the funding required to build the full telescope populated with both 8.4 meter optical trains. The rst of two(More)
OBJECTIVES To investigate potential sources of systematic bias arising in the assessment of doctors' professionalism. DESIGN Linear regression modelling of cross sectional questionnaire survey data. SETTING 11 clinical practices in England and Wales. PARTICIPANTS 1065 non-training grade doctors from various clinical specialties and settings, 17,031 of(More)
Participant attrition may be a significant threat to the generalizability of the results of educational research studies if participants who do not persist in a study differ from those who do in ways that can affect the experimental outcomes. A multi-center trial of the efficacy of different computer-based instructional strategies gave us the opportunity to(More)
Objectives To investigate potential sources of systematic bias arising in the assessment of doctors' professionalism. Design Linear regression modelling of cross sectional questionnaire survey data. Participants 1065 non-training grade doctors from various clinical specialties and settings, 17 031 of their colleagues, and 30 333 of their patients. Main(More)
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