1 tommorow 2015-10-05 2 exo 2015-10-02 3 dairy 2015-09-30 4 shortest woman 2015-09-24 5 Suffer from Anemia 2015-09-23 6 festival 2015-09-22 7 Red Double Decker Buses 2015-09-21 8 Elephant 2015-07-24 9 Smurf Town in Spain 2015-07-20 10 Rudolph in New York? 2015-07-17 1 2 3 4 5 6 7 8 9 10 [다음10개]   회 원 박효정 작성일 2015-06-10 Weather    Feeling  Pleasure 제 목 Noise Is Bad 내 용 According to a new study, background noise can affect students’ test scores. American researchers found that the hum of school heating systems and air-conditioners can lower test scores for many young students. The finding proved that classroom noise interferes with learning.Recently, American researchers studied the effects of noise in 58 schools in Iowa in the U.S. They measured the volume in empty second-grade and fourth-grade classrooms in 58 schools in the state of Iowa. After looking into each class’ test scores, the researchers found that students who spend all day in louder classrooms had lower scores on reading comprehension tests.Guidelines set by the American National Standards Institute recommend that classrooms not exceed a background noise level of 35 decibels. 답변자 ts0068 답변일 2015-06-11 답변내용 According to a new study, background noise can affect students’ test scores. *GOOD SENTENCE! American researchers found that the hum of school heating systems and air-conditioners can lower test scores for many young students. *GOOD SENTENCE! The finding proved that classroom noise interferes with learning. *GOOD SENTENCE! Recently, American researchers studied the effects of noise in 58 schools in Iowa in the U.S. *GOOD SENTENCE! They measured the volume in empty second-grade and fourth-grade classrooms in 58 schools in the state of Iowa. *GOOD SENTENCE! After looking into each class' test scores, the researchers found that students who spend all day in louder classrooms had lower scores on reading comprehension tests. *GOOD SENTENCE! Guidelines set by the American National Standards Institute recommend that classrooms not exceed a background noise level of 35 decibels. *GOOD SENTENCE!