,
,
,
,
, 24) A new drug apparently increases short-term memory. Students were divided randomly into
two groups at the beginning of the semester. One group was given the memory pill once a
day for the semester, and the other group was given a same-looking pill, but it was just sugar.
The sugar pill is termed a(n)_________.
A) controlled pill
B) placebo
C) treatment pill
D) variable
E) effective dose
25) Two groups of people were tested to determine whether garlic lowers blood cholesterol
levels. One group was given 800 mg of garlic powder daily for four months and exhibited an
average 12% reduction in the blood cholesterol. The other group was not given any garlic
and after four months averaged a 3% reduction in cholesterol. The group that was not given
the garlic was the_________ group.
A) peer
B) test
C) treatment
D) control
E) double-blind
26) An individual scientific fact has more information than a theory.
⊚ true
⊚ false
27) An educated speculation or a possible answer to a question is called a(n)_________.
A) scientific method
B) theory
C) law
D) hypothesis
E) fact
6
,
,
,
, 24) A new drug apparently increases short-term memory. Students were divided randomly into
two groups at the beginning of the semester. One group was given the memory pill once a
day for the semester, and the other group was given a same-looking pill, but it was just sugar.
The sugar pill is termed a(n)_________.
A) controlled pill
B) placebo
C) treatment pill
D) variable
E) effective dose
25) Two groups of people were tested to determine whether garlic lowers blood cholesterol
levels. One group was given 800 mg of garlic powder daily for four months and exhibited an
average 12% reduction in the blood cholesterol. The other group was not given any garlic
and after four months averaged a 3% reduction in cholesterol. The group that was not given
the garlic was the_________ group.
A) peer
B) test
C) treatment
D) control
E) double-blind
26) An individual scientific fact has more information than a theory.
⊚ true
⊚ false
27) An educated speculation or a possible answer to a question is called a(n)_________.
A) scientific method
B) theory
C) law
D) hypothesis
E) fact
6
