Question

what is a learning tactic that is the opposite of the spacing effect? rehearsal automatic processing space cramming

Explanation:

The spacing effect refers to the idea that learning is more effective when study sessions are spaced out over time. Cramming involves studying a large amount of material in a short, concentrated period, which is the opposite of spacing out study sessions. Rehearsal is a general learning strategy, automatic processing is about unconscious information processing, and "space" is not a learning tactic opposite to spacing effect.

Answer:

D. cramming