1.   Subsequent improvement he attributed to better policing, education, including Sunday schools, stricter moral values and the availability of cotton underwear.

2.   The survey attributed the improvement to reduced agricultural pollution, improved treatment of sewage and industrial waste, and increased public activity in reporting pollution.

3.   The study by the California Air Resources Board attributes the improvement to strict emission controls on motor vehicles and factories.

4.   The NOAA attributes the improvement to a combination of voluntary controls and measures adopted under the Montreal Protocol.

5.   But the NCAA cannot say how much of that improvement can be attributed to the use of test scores.

6.   Court officials attributed the improvements to several changes made in court procedures in the last several years.

7.   Company spokesman Tom Gordijn attributed the improvement to brisk sales of new products such as Calvin Klein CKOne unisex perfume and Mentadent toothpaste.

8.   Fidelity executives attribute the improvement to technological enhancements and strengthened research capabilities.

9.   He attributed his improvement to playing every day.

10.   He attributed the improvement to reductions in inventory and accounts receivable.