Recall That Researchers Conducted a Field Experiment in Fairfax County

Recall that researchers conducted a field experiment in Fairfax County, Virginia, where recycling efforts were instituted.These researchers found that positive attitudes best predicted recycling when residents

A) had to find their own containers for recycling.
B) had first agreed to recycle newspapers.
C) were provided with free recycling containers.
D) were provided with financial incentives for recycling.