More than 170 military installations were established in Florida during the war.
Answer:
B). The double blind procedure.
Explanation:
'The double blind procedure' is demonstrated as the procedure or method of experiment in which both the experimenter as well as the subjects or participants of the experiment are 'blind to' or 'unaware' of the crucial/significant aspects like hypothesis of the experiment
As per the question, the 'double blind procedure' is being employed by the investigators as neither the subject of the experiment nor the experimenter know about the 'experiment containing aspirin or mere placebos' which would help in producing the objective and unbiased deductions. Thus, <u>option B</u> is the correct answer.
The answer is Phil who makes his identification in less than
10 seconds. Through 4 researches, the authors revealed that a time border of approximately
10 to 12 s best distinguished accurate from inaccurate positive proof of
identity. Witnesses constructing their identification faster than 10 to 12 s
were closely 90% precise; those taking lengthier were approximately 50%
accurate.
Some plantion owners had cash crops and there they worked the slaves harder