Answer:
a) definite repetition
Explanation:
The counter-controlled repetitions is one in which we know the number of times a loop will be followed or performed.
Definite repetition is the one in which we know the number of iterations to be performed by a loop before the execution of the loop.
For Example:
Repeat a loop for 25 times printing out b *.
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Answer:
In studies about new medicines, researchers usually give one group of patients the medicine that is designed to treat an illness. They give another group of patients a placebo, which is taken the same way as the medicine but does not actually contain the ingredients of any medicine. Different medicines are tested in different experiments, but the placebos usually contain the same non-medical ingredients. If both groups of patients are healed, then researchers cannot be sure whether the medicine caused improvement, but if the group given the medicine is healed while the group given the placebo remains ill, researchers can conclude that the medicine causes the illness to go away.
In medical experiments, which group receives placebos?
the experimental group
the control group
both the experimental and control groups
neither the experimental nor control group
Explanation:
