kevinj4 kevinj4

09-12-2021
Mathematics

contestada

Some studies show that high school students are more successful when the school day begins after 9 am. To test this theory,
Lake High School changes its school day start time from 7 am to 9 am. Which of the following methods would best describe
the study above?
O A experimental study
OB. observational study
OC. survey
OD
controlled experiment
a
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Some studies show that high school students are more successful when the school day begins after 9 am To test this theory Lake High School changes its school da class=

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lifehard258 lifehard258

09-12-2021

Answer:

It's probably B

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