1) Control subjects in a double-blind test of a new drug are a) informed of what
ID: 849540 • Letter: 1
Question
1) Control subjects in a double-blind test of a new drug are
a) informed of what drug they are getting.
b) informed of what drug they are getting but their private physicians are not.
c) given larger doses of the drug.
d) infected with a different disease than the experimental subjects.
e) not given the experimental drug but are otherwise treated the same as the experimental subjects.
2) A scientific theory
a) becomes static.
b) cannot be challenged.
c) is subject to modification.
d) cannot be changed.
e) is irrefutable.
3) Which of the statements below best describes a hypothesis?
a) An explanatory idea that is broad in scope and supported by a large body of evidence
b) A widely accepted theory that is broad in scope and supported by a large body of evidence
c) A tentative answer to some question
d) A widely accepted idea about a phenomenon
e) The same as a theory
4) The formation of a liquid from a solid is known as
a) evaporation.
b) deposition.
c) freezing.
d) melting.
e) sublimation.
5) Which amount of heat is released when 75.0 g of water at 0
Explanation / Answer
1) Control subjects in a double-blind test of a new drug are
a) informed of what drug they are getting.
b) informed of what drug they are getting but their private physicians are not.
c) given larger doses of the drug.
d) infected with a different disease than the experimental subjects.
e) not given the experimental drug but are otherwise treated the same as the experimental subjects.
2) A scientific theory
a) becomes static.
b) cannot be challenged.
c) is subject to modification.
d) cannot be changed.
e) is irrefutable.
3) Which of the statements below best describes a hypothesis?
a) An explanatory idea that is broad in scope and supported by a large body of evidence
b) A widely accepted theory that is broad in scope and supported by a large body of evidence
c) A tentative answer to some question
d) A widely accepted idea about a phenomenon
e) The same as a theory
4) The formation of a liquid from a solid is known as
a) evaporation.
b) deposition.
c) freezing.
d) melting.
e) sublimation.
5) Which amount of heat is released when 75.0 g of water at 0
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