The Answer to this question is operational definition.
This use of the questionnaire establishes an operational definition of shyness.
<span>We can define operational definition as it explains the
concepts or variables by the way they are measured, anything that can be
measured is a variable. Dr. Aba is conducting a study between birth order and shyness, so she needs to develop an operational definition of birth order and shyness.</span>
Indonesia is the first one i don't know the others sorry
