subject
Mathematics, 27.08.2019 06:00 jadav350

Adrug researcher wishes to test a new pain medication for effectiveness in treating the pain associated with arthritis. 20 of 40 severely disabled arthritis sufferers in a hospital ward will receive the drug. the other 20 will receive a placebo. the experimenters do not know whether any given subject receives the drug or the placebo.
which of the following principles of experimental design are being followed in this experiment? check all that apply.
a. confounding
b. blocking
c. control
d. replication
e. blindness

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 20:00
For what type of equity loan are you lent a lump sum, which is to be paid within a certain period of time? a. a line of credit b. equity c. a second mortgage d. an amortization
Answers: 3
question
Mathematics, 21.06.2019 23:30
When a valve is open 281 gallons of water go through it in one hour the number of gallons that would go through in 94 hours is
Answers: 1
question
Mathematics, 22.06.2019 04:30
The motion of a weight that hangs from a spring is represented by the equation h=8sin(2pi/3t). it models the weight’s height above or below the rest position as a function of time. approximately when will the object be 3 inches above the rest position?
Answers: 1
question
Mathematics, 22.06.2019 04:30
Write the ratio as a fraction in lowest terms. compare in inches. 5 feet to 50 inches
Answers: 2
You know the right answer?
Adrug researcher wishes to test a new pain medication for effectiveness in treating the pain associa...
Questions
question
History, 09.03.2021 06:30
question
English, 09.03.2021 06:30
Questions on the website: 13722362