“…In the 1950s, some studies correlated rating scales and driving habit checklists with accident involvement (see Häkkinen, 1958, p. 77). There was also a series of studies of driving habits by Lewis (1953Lewis ( , 1956, using invehicle camera observations of a small group of drivers. The results suggested that "safe drivers drive more constantly in the same manner when the same driving situations are repeated" (Häkkinen, 1958, p. 78).…”