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CP102B Finals
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Nikholai Abeso
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The purpose of the
pre-test
is to determine if there are any significant
differences
between the two groups.
If no difference exists, then it would be
unethical
to conduct an experiment on one group without giving them the
same
opportunity as the other group.
A randomized controlled trial (RCT) involves randomly assigning participants into either the
experimental
or
control
group.
Randomization ensures that both groups have similar characteristics at
baseline.
Randomization ensures that both groups have
similar
characteristics at the start of the study.
Blinding
refers to keeping information about the
treatment
from the participants and researchers involved in the study.
Randomization ensures that both groups have similar characteristics at
baseline.
In
RCTs
, the researcher has
little
influence over which participant goes into which group.