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Psychometric characteristics of simulation-based assessment in anaesthesia and accuracy of self-assessed scores (2005)

Weller, J. M. ; Robinson, B. J. ; Jolly, B. ; [et al.]

Oxford, UK : Blackwell Science Ltd

Anaesthesia 60 (2005), S. 0

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ISSN: 1365-2044

Source: Blackwell Publishing Journal Backfiles 1879-2005

Topics: Medicine

Notes: The purpose of this study was to define the psychometric properties of a simulation-based assessment of anaesthetists. Twenty-one anaesthetic trainees took part in three highly standardised simulations of anaesthetic emergencies. Scenarios were videotaped and rated independently by four judges. Trainees also assessed their own performance in the simulations. Results were analysed using generalisability theory to determine the influence of subject, case and judge on the variance in judges' scores and to determine the number of cases and judges required to produce a reliable result. Self-assessed scores were compared to the mean score of the judges. The results suggest that 12–15 cases are required to rank trainees reliably on their ability to manage simulated crises. Greater reliability is gained by increasing the number of cases than by increasing the number of judges. There was modest but significant correlation between self-assessed scores and external assessors' scores (rho = 0.321; p = 0.01). At the lower levels of performance, trainees consistently overrated their performance compared to those performing at higher levels (p = 0.0001).

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1111/j.1365-2044.2004.04073.x

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Southern galactic plane CO survey (1982)

Robinson, B. J. ; McCutcheon, W. H. ; Whiteoak, J. B.

Springer

International journal of infrared and millimeter waves 3 (1982), S. 63-76

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ISSN: 1572-9559

Keywords: carbon monoxide ; southern galactic plane

Source: Springer Online Journal Archives 1860-2000

Topics: Physics

Notes: Abstract Preliminary results are presented for a survey of J=1−012CO emission being carried out at 3′ arc intervals along the southern galactic plane in the range 294°≤ℓ≤358°, −0°.075≤b≤0°.075. The longitude-velocity distribution shows well-defined terminal velocities, and is similar to the distribution at corresponding longitudes north of the galactic centre. However, the radial distribution of CO suggests that the southern CO, while concentrated inside the solar circle as in the north, is on the average located about 500 pc further from the galactic centre. Limited estimates of cloud sizes and masses suggest ranges greater than those deduced in previous surveys.