Two groups of 50 car drivers were given a picture-test, the Shipley Abstraction test and the Maudsley Personality Inventory; these subjects also drove in their own cars around a 12-mile route under normal traffic conditions, accompanied by two observers who tape-recorded their observations on certain aspects of the subjects' driving behaviour as they drove. One group of subjects consisted of drivers who had been convicted of Careless Driving (C Group); the other group concisted of drivers selected at random (R Group). The only significant differences found between these two groups of drivers on all the tests used were with respect to four drive indices, derived from observation of driver behaviour. These four indices were - the frequency of occurrence of unusual manoeuvres, the frequency of occurrence of near-accidents, the ratio of rear-view mirror usage to manoeuvres and the ratio of overtaking to being overtaken. On the basis of these four drive indices, a tentative classification of drivers into four sub-groups was set up, the four sub-groups being - safe, injudicious, dissociated active and dissociated passive. Numbers of drivers in each sub-group were, respectively - C -18, 6, 8, l8 and R - 36, 3, 3, 8. (Author)
Driver-Behaviour-Safe and Unsafe Drivers
1967
64 pages
Report
No indication
English
Driver behaviour -- Safe and unsafe drivers
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