Can a conclusion that the exercise program caused more sleep?
a. A cause and effect relation might be concluded because the study had a control group.
b. A cause and effect relation might be concluded because the study was a randomized experiment.
c. A cause and effect relation cannot be concluded because the study was an observational study.
d. A cause and effect relation cannot be concluded because diet was not controlled.
Question 2
What is the explanatory variable in the study?
a. Amount of food eaten (calories) per day
b. Following an exercise program four times a week for 16 weeks (or not)
c. Amount of sleep per night
d. Age
The Coriolis effect and wind direction.
Effect of extracellular osmolarity on water movement across a plasma membrane
Single-dose drug administration: pharmacokinetic values for this drug are as follows: onset of actio
Sleep Apnea
The fact that a mother works outside the home has no negative effect on the well-being of her child ...
Botulism A rare but serious paralytic illness caused by the bacterium Clostridium botulinum