Mark is a doctor testing to see if his new medicine will people sleep better. he is measuring the amount of time people are in deep sleep during the study. he selects 100 30-50 year old people who reported they have trouble staying asleep. during the study the participant must go to bed at the same time and have an alarm set to wake up at the same time each day. they must also take the pill at the same time each day. fifty participants uabe actual new medicine and fifty take a fake pill to be used as comparison. the study last 30 days.
identity the part of experiment
what is the independent variable?
what is the dependent variable?
what are two constants?
what is the control?
Answers: 2
Chemistry, 21.06.2019 15:40, nadinealonzo6121
Which of the following might a chemist choose to study? a. glacier movement in alaska b. better ways to recycle plastics c. the effects of hurricanes on turtle populations d. the vibrations in bridges caused by big trucks
Answers: 2
Chemistry, 22.06.2019 06:00, giusto1894
24. a sports ball is inflated to an internal pressure of 1.85 atm at room temperature (25 °c). if the ball is then played with outside where the temperature is 7.5 °c, what will be the new pressure of the ball? assume the ball does not change in volume nor does any air leak from the ball a) 0.555 atm b) 1.74 atm c) 1.85 atm d) 1.97 atm
Answers: 2
Mark is a doctor testing to see if his new medicine will people sleep better. he is measuring the a...
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