Respuesta :

            The possibility for psychologists to be able to study variables such as motivation and self-esteem is due to the fact these variables are measured by operational definitions.

What are Operational Definitions?

In the statistical research study, the operational definitions or variables is described as the definition and measurement of specific variables as it is utilized in your study.

This enables and makes it possible for another researcher(psychologist) to be able to duplicate your findings, which is critical for establishing the validity of the variables.

Therefore, we can conclude that the possibility for psychologists to be able to study variables such as motivation and self-esteem is due to the fact these variables are measured by operational definitions.  

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