Answer:
Studying hours.
Explanation:
Studying hours should the third variable that correlates the other two. Since that higher self-esteem should motivate students to study more, and that hours are going to get higher grades. So, depending on how many hours they dedicate to study, grades are going to raise, it's like a cycle in this case.
When something is<u> instrumentally valuable</u>, it is good because it enables people to acquire other good things.
<h3>What is instrumentally valuable?</h3>
instrumentally value is the value that something has as a means to a desired end or has value. The instrumental value is always derived from the value of something else, and it is always conditional. The instrumental value of something fluctuates with changes in the desirability of the end end for which it is a means and whether alternative, more effective means are available.
For example, fishing line has instrumental value just in case one wants to catch fish; and its value could decrease if one had access to a much more efficient fishing net. It is undeniable that ecosystems and species have many different instrumental values (e.g. cultural value, recreational value, medicinal value, spiritual value, metabolic value, and financial value. natural resources and ecosystem service value). It is debatable (Norton 1995, Sarkar 2005, United Nations 1992b) as to whether ecosystems and biological species have non-instrumental, terminating or intrinsic (i.e. intrinsic) values.
To learn more about instrumental value from given link
brainly.com/question/14728234
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I believe the answer is: Power
In the past, this power is mostly derived from nobility line, but In our current society, Power usually derived primarily from economic power.
For example, someone in company's Upper management position tend to always required to maintain their persona in order to keep a certain amount of respect/positive perception from both the workers and the public.
To be surrounded by positive energy and be a part of something bigger than themselves.
