When the room is empty, frankie studies her art history notes in the lecture hall where she attends class. frankie is attempting to capitalize on the effect?

Frankie is attempting to capitalize on the encoding specificity effect.

Thus, the answer is:

encoding specificity

The encoding specificity is a principle of memory in which it states that memory is improvised when information available at encoding is also available ate retrieval. It also states that it has its roots in the earliest research of memory.

answer; their own memory abilities;

answer; direct observation;