For many adolescents in high school, obtaining adequate sleep can be difficult. One proposed way to increase sleep duration for teens is to delay the school start time. In one study, the school schedule was modified. The study was conducted at a residential boarding school, where students lived at the school site rather than at home. For Fall term (Time 1), the schedule was 8am-6pm on Mondays, Tuesdays, Thursdays and Fridays and 8am- 12:35pm on Wednesdays and Saturdays. For Winter term (Time 2), the schedule was changed to 8:25am-5:35pm on Mondays, Tuesdays, Thursdays, and Fridays and 8:25am to 12:35pm on Wednesdays and Saturdays. Boarding students completed surveys at the end of Fall term (Time 1), and at the end of Winter term (Time 2). The chart below presents the answers to one question students were asked in their survey, about how much sleep they got at night during the term. % of students 100% 90% 80% 70% 60% 50% 40% 30% 20% 10% 0% End of Fall Term (8 am Start Time) 8+ Hours of Sleep ■< 8 Hours of Sleep End of Winter Term (8:25 am Start Time) School Start Time Approximately what percentage of students reported getting 8 hours of sleep or more when the school day started earlier? Round to the nearst 5% interval (5%, 15%, 25%, 35%, 45%, 55%, 65%, 75%, 85%, or 95%), and report just the number without the %.

Ciccarelli: Psychology_5 (5th Edition)
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Psychology school start time chart

For many adolescents in high school, obtaining adequate sleep can be difficult. One proposed way to increase
sleep duration for teens is to delay the school start time. In one study, the school schedule was modified. The
study was conducted at a residential boarding school, where students lived at the school site rather than at home.
For Fall term (Time 1), the schedule was 8am-6pm on Mondays, Tuesdays, Thursdays and Fridays and 8am-
12:35pm on Wednesdays and Saturdays. For Winter term (Time 2), the schedule was changed to 8:25am-5:35pm
on Mondays, Tuesdays, Thursdays, and Fridays and 8:25am to 12:35pm on Wednesdays and Saturdays. Boarding
students completed surveys at the end of Fall term (Time 1), and at the end of Winter term (Time 2).
The chart below presents the answers to one question students were asked in their survey, about how much sleep
they got at night during the term.
% of students
100%
90%
80%
70%
60%
50%
40%
30%
20%
10%
0%
End of Fall Term (8 am Start Time)
18+ Hours of Sleep
■< 8 Hours of Sleep
End of Winter Term (8:25 am Start Time)
School Start Time
Approximately what percentage of students reported getting 8 hours of sleep or more when the school day
started earlier? Round to the nearst 5% interval (5%, 15%, 25%, 35%, 45%, 55%, 65%, 75%, 85%, or 95%), and
report just the number without the %.
Transcribed Image Text:For many adolescents in high school, obtaining adequate sleep can be difficult. One proposed way to increase sleep duration for teens is to delay the school start time. In one study, the school schedule was modified. The study was conducted at a residential boarding school, where students lived at the school site rather than at home. For Fall term (Time 1), the schedule was 8am-6pm on Mondays, Tuesdays, Thursdays and Fridays and 8am- 12:35pm on Wednesdays and Saturdays. For Winter term (Time 2), the schedule was changed to 8:25am-5:35pm on Mondays, Tuesdays, Thursdays, and Fridays and 8:25am to 12:35pm on Wednesdays and Saturdays. Boarding students completed surveys at the end of Fall term (Time 1), and at the end of Winter term (Time 2). The chart below presents the answers to one question students were asked in their survey, about how much sleep they got at night during the term. % of students 100% 90% 80% 70% 60% 50% 40% 30% 20% 10% 0% End of Fall Term (8 am Start Time) 18+ Hours of Sleep ■< 8 Hours of Sleep End of Winter Term (8:25 am Start Time) School Start Time Approximately what percentage of students reported getting 8 hours of sleep or more when the school day started earlier? Round to the nearst 5% interval (5%, 15%, 25%, 35%, 45%, 55%, 65%, 75%, 85%, or 95%), and report just the number without the %.
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Approximately what percentage of students reported getting 8 hours of sleep or more when the school day started later? Round to the nearst 5% interval (5%, 15%, 25%, 35%, 45%, 55%, 65%, 75%, 85%, or 95%), and report just the number without the %.

For many adolescents in high school, obtaining adequate sleep can be difficult. One proposed way to increase sleep duration for teens is to delay the school start time. In one study, the school schedule was modified. The study was conducted at a residential boarding school, where students lived at the school site rather than at home. For Fall term (Time 1), the schedule was 8am-6pm on Mondays, Tuesdays, Thursdays, and Fridays and 8am-12:35pm on Wednesdays and Saturdays. For Winter term (Time 2), the schedule was changed to 8:25am-5:35pm on Mondays, Tuesdays, Thursdays, and Fridays and 8:25am to 12:35pm on Wednesdays and Saturdays. Boarding students completed surveys at the end of Fall term (Time 1), and at the end of Winter term (Time 2). 

The chart below presents the answers to one question students were asked in their survey, about how much sleep they got at night during the term.

**Bar Chart Explanation:**

- **X-Axis:** School Start Time
  - End of Fall Term (8 am Start Time)
  - End of Winter Term (8:25 am Start Time)

- **Y-Axis:** % of students

- **Legend:**
  - Blue bars represent students getting 8+ hours of sleep.
  - Orange bars represent students getting < 8 hours of sleep.

**Observations:**

- At the end of the Fall term, a majority of students (around 90%) reported getting less than 8 hours of sleep, while a small percentage (around 10%) reported getting 8+ hours of sleep.
- At the end of the Winter term, with the delayed start time, the percentage of students getting 8+ hours of sleep increased, while the percentage getting less than 8 hours of sleep decreased, though still a majority. This suggests some improvement in sleep duration with the later start time.
Transcribed Image Text:For many adolescents in high school, obtaining adequate sleep can be difficult. One proposed way to increase sleep duration for teens is to delay the school start time. In one study, the school schedule was modified. The study was conducted at a residential boarding school, where students lived at the school site rather than at home. For Fall term (Time 1), the schedule was 8am-6pm on Mondays, Tuesdays, Thursdays, and Fridays and 8am-12:35pm on Wednesdays and Saturdays. For Winter term (Time 2), the schedule was changed to 8:25am-5:35pm on Mondays, Tuesdays, Thursdays, and Fridays and 8:25am to 12:35pm on Wednesdays and Saturdays. Boarding students completed surveys at the end of Fall term (Time 1), and at the end of Winter term (Time 2). The chart below presents the answers to one question students were asked in their survey, about how much sleep they got at night during the term. **Bar Chart Explanation:** - **X-Axis:** School Start Time - End of Fall Term (8 am Start Time) - End of Winter Term (8:25 am Start Time) - **Y-Axis:** % of students - **Legend:** - Blue bars represent students getting 8+ hours of sleep. - Orange bars represent students getting < 8 hours of sleep. **Observations:** - At the end of the Fall term, a majority of students (around 90%) reported getting less than 8 hours of sleep, while a small percentage (around 10%) reported getting 8+ hours of sleep. - At the end of the Winter term, with the delayed start time, the percentage of students getting 8+ hours of sleep increased, while the percentage getting less than 8 hours of sleep decreased, though still a majority. This suggests some improvement in sleep duration with the later start time.
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