Social Studies, 14.12.2019 01:31 lala1794
Astudent decides to set up an experiment to see if room temperature affects the rate at which individuals fall asleep. she sets up 10 beds for 10 test subjects. 5 of the beds were placed in a dark room at 69 degrees. the other beds were placed in a bright room at 79 degrees. all of the beds are the same size and have the same type of sheets. she observes and records data for the 10 test subjects for a week. what is wrong with this experiment?
a. the student should have a larger number of beds.
b. there is no way of measuring the outcome.
c. more than one variable is being tested.
d. there is no control set-up.
Answers: 1
Social Studies, 22.06.2019 08:00
Which technological breakthrough of the 1950s revolutionized the way that americans kept up with news and world events? a) radio b) internet c) television d) motion pictures
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Social Studies, 23.06.2019 09:00
Any study/memorization tips? i have exams in a week and it would be great to try suggestions!you ; )
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Social Studies, 23.06.2019 16:30
Which statement is correct? the speed of the light ray is the same in air and medium a. the speed of the light ray is the same in air and medium b. medium a and medium b have different densities because light refracts at different angles. medium a and medium b have the same density because the light ray strikes both at the same angle.
Answers: 3
Social Studies, 23.06.2019 17:00
Which scenario validates bandura's bobo doll experiment? a. a child learning math from a teacher b. a child playing with blocks c. a child getting on a school bus d. a child smiling at others because his parents smile at others
Answers: 1
Astudent decides to set up an experiment to see if room temperature affects the rate at which indivi...
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