Shanna has a quiz covering research methods for both her biology and psychology classes. as she studies, she is continually getting information confused between the classes. the resulting memory loss is explained by

I believe the answer is: Interference
Interference refers to an occurence when two different information came in at the same time and ending up disrupting each other in our memory.
This occurrence was first introduced by McGeoch in (1942) on his study about a consequence of response competition.