A mad scientist develops a new memory pill and wishes to test it on a group of 11th grade students. He has a large number of sug
ar pills manufactured that look and taste exactly like the memory pills. He asks the manufacturer to prepare 50 envelopes, each containing a month's worth of doses of the memory pills, and 50 more envelopes with the same doses of sugar pills. The manufacturer then randomly labels the 100 envelopes with numbers from 00 to 99 and delivers them to the scientist. It has recorded which numbers go with the real pills, but it doesn't tell him. Which of the following adjectives describes this experiment?
A. Double-blind
B. Explanatory
C. Hawthorne
D. Blocked
E. Multi-factor
The adjective that best describes the experiment listed in detail above would be double-blind. This is because both the mad scientist and the manufacturer are both blind to each other's experiments.<span />
The adjectives describes this experiment is " Double blind "
An experimental study in which neither the subjects nor the experimenters know which subjects are in the test and control groups during the actual course of the experiments is known as double blind.
In the given situation, the mad scientist and the manufacturer are not related or they are both blind to each other's experiment.
280 is far too large. But you have given the second best answer. If you want the missing length as a length, then you have to give the sqrt(280) as your answer. The answer you want is B.
