Bart wants to know whether skateboarding decreases reaction time (makes you react faster). He recruits 50 children who haven't skateboarded before. He randomly assigns about half of them to the "skateboarding" group, and the other half to the control group. The "skateboarding" group has skateboarding lessons after school for half an hour every day for two weeks. The control group meets for half an hour every day for two weeks after school and does homework. After the two weeks are up, Bart measures the reaction time of the members of both groups. What type of design is this
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Arts, 23.06.2019 07:00
Very important answer ! if apple made a car would it have windows?
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Arts, 23.06.2019 22:00
What does bts stand for? what is the importance of bts? who first started it?
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Arts, 24.06.2019 01:20
(i think my answer is a, am i correct? ) a pentagonal traffic sign is a sign. a. school crossing b. parking c. wrong way d. yield
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Arts, 24.06.2019 17:50
Which statement is true? select one: a. all art created in florence during the renaissance was commissioned by the medici family. b. without wealthy patrons, it is likely that many italian renaissance works would not have been created. c. religion was the driving force behind works created by leonardo and michelangelo. d. the public was responsible for determining whether an artwork was great.
Answers: 2
Bart wants to know whether skateboarding decreases reaction time (makes you react faster). He recrui...
Mathematics, 17.06.2021 16:20
Mathematics, 17.06.2021 16:20
Mathematics, 17.06.2021 16:20
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Mathematics, 17.06.2021 16:30