Question

1. erica has been studying biology all afternoon. she is now having difficulty remembering details of the organic chemistry material she memorized this morning. ericas difficulty best illustrates:

proactive interference
retroactive interference
the spacing effect
source amnesia

Explanation:

Proactive interference occurs when old information hinders the recall of new information. Erica studied biology (new information) in the afternoon, which is interfering with her recall of the organic chemistry (old information) she memorized in the morning.

Answer:

proactive interference