Respuesta :
The researcher will use the explanatory theory to support his study if he/she wants to determine whether there is a relationship between levels of anxiety and blood pressure in a population of men between the ages of 40 and 60 years.
What is the explanatory theory?
Explanatory theories can be defined as multi-variable constructs used to make sense of complex events and situations that include basic operating principles of explanation, most importantly: transferring new meaning to complex and confusing phenomena; separating out individual components of an event or situation.
The explanatory theory points out the relationships between study variables, in this case of the researcher: anxiety and blood pressure. The researcher gathers data through self-report or observation.
Learn more about explanatory theory at: https://brainly.com/question/14668992
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