1.   Administrators of the camera systems say that public perception and trust are crucial in changing driver behavior, and that officials work hard to make the systems accountable.

2.   Agency officials acknowledged that road conditions and driver behavior were big influences on the likelihood of a rollover.

3.   But car companies responded that the key to greater safety was changes in driver behavior.

4.   But any improvements may be suspect, as the study states, because of the possibility that anti-lock brakes are affecting driver behavior in ways not fully appreciated.

5.   But the agency is not looking at driver behavior or at the Explorer in its investigation of the tire failures.

6.   Improving driver behavior is far cheaper than redesigning light trucks, he added.

7.   No one denies that a by-product of such an enforcement program is a change in driver behavior.

8.   One traffic specialist is studying videotapes of driver behavior before and during the holiday.

9.   The association recommends driver-education programs, because driver behavior is usually to blame for rollover accidents.

10.   The auto industry has opposed such ideas, arguing that rollover deaths are largely a matter of driver behavior, not vehicle design.