TRL Report 549 on Drivers' Perceptions of Cyclists is worth reading. One of the notable paragraphs is:
"A key finding which should be noted was that, when
commenting on the scenarios it was usually the behaviour
of the cyclist that was criticised – no matter how small the
misdemeanour. Few links were made between the cyclist’s
behaviour and any external influences that could be
affecting their choice of behaviour; i.e. the respondents’
comments indicated that they thought the cyclist’s actions
were inherent and dispositional behaviours. In contrast, the
motorists’ misdemeanours were excused or justified in
terms of the situational influences. As this tendency
seemed to continue across the groups and the individual
depth interviews and was unprompted, it is unlikely that
group dynamics had any significant effect on this finding.
.........Perhaps more interesting is the way in which
drivers tended to criticise the behaviour of cyclists before
that of the drivers depicted within each scene. This aligns
with the psychological prediction of targeting of members
of an ‘out group’."