During a period of real gdp per capita can increase.

economic downturn

economic growth

population explosion

Economic growth

Explanation:

GDP per capita refers to the measure of the economic activity of a country, it is calculated by diving the GDP (Gross domestic product, everything produced in a country) by the total population and it is mostly used to compare the standard of living between two or more countries. During a period of economic growth the GDP per capita will most likely increase, because the country is most likely to produce more services and products as the demand rises.

answer; ///attempts to change more than once behavior at the same time;