Chris has been friends with Jerome since high school, but lately it feels like Chris is putting in all of the work to plan their activities, and Jerome just shows up without doing any work. Chris is considering reducing time spent with Jerome. This is an example of ...

This is an example of social responding.

Explanation:

As humans, we frame expectations in our mind for many events. Our social behaviour somehow depends on the expectations which we make. With the increase in the followers of humanists, we believe that our efforts shall be reciprocated. If we are putting up an effort in something, then there shall be a reciprocate of all the efforts that we have made. Based on these feelings, Chris is showing a social responding by not spending time with Jerome.