11.   The authors noted that people who were talking a lot on car phones might also have been under emotional stress at the time.

12.   The authors noted that some programs were not set up to track the performance of students from failing public schools in their new private school settings.

13.   The authors noted that overuse also can pose a significant health risk.

14.   The authors noted, however, that their study does not suggest a risk to the child.

15.   The author noted that journalists he had talked to were very uncomfortable with the issue.

16.   The authors note that a pervading concern in these societies, as in our own, is the fragility of small children.

17.   The authors noted opportunities remain limited for minorities to specific shows and networks.

18.   The authors noted that fashion and beauty magazines were often blamed for presenting teen-agers with unhealthy images of desirable body types.

19.   The authors noted, however, that other researchers have found higher achievement levels in Catholic school students.

20.   The relationship is a complex one, the author rightly notes.