In 2004 and 2005 she was a Fulbright scholar in Mali, studying changes in marriage practices and laws.
Take Michael Botwinick, the director of the Hudson River Museum in Yonkers, who spent a morning several weeks ago studying changes to the museum's insurance policies.
Predicting next month's elections is extremely difficult, said Michael DeGolyer, the director of the Hong Kong Transition Project, a coalition of academics studying changes under Chinese rule.
"It's backwards," said Ruy Teixeira, who has been studying changes in the school calendar as a senior fellow at the Century Foundation, a liberal-leaning Washington research organization.
A majority said they supported studying changes in spending across the F.B.S., but given a choice would rather just make more money.
Mr. Tobin, who had been studying changes in Russia's political climate while in Voronezh, was strongly supported by Russian university students, who were reported to have jammed the courtroom during his trial in April.
Graduate students, on the other hand, are studying changes in moral development in young people who participate in outdoor programs or the effectiveness of "adventure therapy" for people with eating disorders.
Although it is a tourist destination, increasingly the visitors are scientists working on projects that directly address global warming — studying changes in the tundra and the permafrost, and in carbon levels.
By studying changes in ceremonial architecture and pottery styles, Donna Glowacki, an archaeologist at the University of Notre Dame, is charting the rise of what may have been a new puebloan religion.
Steven Pinker, a linguist at Harvard who collaborated on the Science paper's section about language evolution, has been studying changes in grammar and past tense forms for 20 years.
Since many processes in forest ecology take a long time, scientists studying changes in plant communities often turn to the use of chronosequences, or sets of sites that share similar attributes but are of different ages.
