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.
Explanation:
Definition: Saying a fact which is accept or proven to be true.
The reason why we speak truth is because it gives us a sense of security knowing that the spoken opinion is true. It also gives us better opportunities in life.
Answer:
The opportunity cost of painting a house is higher for Alex Rodriguez than for the high school student
Explanation:
An opportunity cost may be defined as a loss of any potential gain in the group of certain alternatives out of which one alternative is chosen.
In the context, when Alex Rodriguez, a famous player hires a student in order to paint his house, it seems that the opportunity cost is higher for Alex Rodriguez when compared to the high school student whom he hired to pain the house. This is because the school student is not professional in painting skills but Alex would have hired a professional painter then the painter would have done the job better than the school student.