A. Colonel Edward M. House
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d. free expression.
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An operational definition, when applied to data collection, is a clear,
concise detailed definition of a measure. The need for operational
definitions is fundamental when collecting all types of data. It is
particularly important when a decision is being made about whether
something is correct or incorrect, or when a visual check is being made
where there is room for confusion.
Answer:
<em>Galileo di Vincenzo Bonaiuti de' Galilei, commonly referred to as Galileo, was an astronomer, physicist and engineer, sometimes described as a polymath, from Pisa, in modern-day Italy. </em>
