A biotech company had discovered in animal experiments that drug A might be help

Question

A biotech company had discovered in animal experiments that drug A might be helpful in treating insomnia (inability to sleep). After it found no apparent drug side effects in humans, the company tested the effects of the drug in 48 individuals.

The best stated hypothesis for the drug trial is
a. How does Drug A extend sleep in insomniacs?
b. Drug A extends sleep longer in insomniacs than “normal” people.
c. A higher dose of Drug A will extend sleep for a longer period of time in insomniacs than a lower dose.
d. Drug A extends sleep in insomniacs.

The best test for this drug trial would be to
a. Inject 48 insomniacs with a single dose of Drug A.
b. Inject 24 insomniacs with the same dose of Drug A and 24 insomniacs with a substance containing no medication (called a placebo -no drug A).
c. Inject 24 insomniacs and 24 healthy individuals with the same dose of drug A.
d. Inject 48 individuals diagnosed with different degrees of insomnia with one of two doses of drug A.

Explanation / Answer

as it is in the claim that drug A might be helpful in treating insomnia the hypothesis should test the claim so answer should be c. A higher dose of Drug A will extend sleep for a longer period of time in insomniacs than a lower dose. as there would be a change in sleep due to drug the test shuld be done on the equal amount basis 24 people should be drugged and other shouldnt so the answwer b. Inject 24 insomniacs with the same dose of Drug A and 24 insomniacs with a substance containing no medication

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