The artist works on the negatives over about a week and so the final product is the result of multiple exposures allowing him to «draw with light». (fac.umass.edu)
Students are provided with multiple exposures to each word, so they develop a rich understanding of each word's use. (wordintelligence.net)
Providing multiple exposures and practice opportunities to spelling and vocabulary words helps increase the likelihood of their retention. (spellingcity.com)