英语精听材料：Later School Start Time Leads To Better StudentsA half-hour delay in school start time led 201 Rhode Island high school students to be better behaved and happier. Cynthia Graber reports.
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Teachers get exasperated at students—they don’t pay attention, they’re sleepy, they have bad attitudes. But improvement could be a matter of timing—just start school later. That’s according to a study in the Archives of Pediatrics and Adolescent Medicine. [Citation to come.]
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Beginning at adolescence, kids have what’s called a delayed sleep phase, where they start sleep later and sleep later in the morning. And they need plenty—about nine-and-a-quarter hours a night. ( N- ?4 _, l' M
& U0 z' [5 P3 N% r$ S {The researchers evaluated 201 Rhode Island high school students whose school pushed back its start time from 8 to 8:30. The kids completed a sleep habits survey before and after the time change. / h2 p( ]- E+ P$ a5 f& H
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After the delayed start, the percentage of students who said they got at least eight hours of sleep a night jumped from about 16 to 55 percent. Class attendance improved, and there were fewer visits to the health center for fatigue-related complaints. Plus, the number of students who said they felt unhappy, depressed, annoyed or irritated dropped significantly. 5 J* s! F- P: k$ @/ }* @7 Z5 t4 R J y
6 D3 a8 C5 P+ o `% ?- _! }$ ~Before the study, teachers, coaches and administrators all resisted the later start. After, nearly all voted to keep it in place. A half-hour change for happier, better students? Seems like a good time for all. |
发表于 2012-8-14 23:06:24
