Aresearcher wants to know if taking increasing amounts of ginkgo biloba will result in increased capacities of memory ability for different students. they administer it to the students in doses of 250 milligrams, 500 milligrams, and 1000 milligrams. what is the explanatory variable in this study?

The explanatory variable is the amount of gingko biloba the students receive.

Explanation:

The explanatory variable, also the same as the independent variable in experiments, is the variable that has an effect on the dependent variable, in this case the capacity of the memory abilites of the students. In the example given in the question, the explanatory variable/independent variable is the doses of ginkgo biloba that the students receive in different amounts which in turn affects the dependent variable mentioned before.

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