When is retrieval-induced forgetting (RIF) evident?

Question

BlackTom AI · Accepted Answer

To understand the question, we need to recall what retrieval-induced forgetting (RIF) predicts about memory performance after selective retrieval.
Option 1 (A): 'When RP- items are outperformed by RP+ items.' This aligns with the core RIF finding: items that were Practiced (RP+) are remembered better than related items that were Not Practiced (RP-). The superior performance of RP+ over RP- indicates that practicing some items can impair memory for related unpracticed items, which is the essence of RIF.
Option 2 (B): 'When RP+ items are outperformed by NRP items.' This would suggest that practiced items are worse than non-rehearsed items, which contradicts the basic RIF pattern where RP+ items are typically preserved or enhanced relative to baseline or related items. It does not reflect the typical forgetting of related unpracticed items.
Option 3 (C): 'When RP+ items are outperformed by RP- items.' This would imply unpracticed items are remembered better than practiced ones, directly opposing the RIF effect. Since RIF describes a cost to unpracticed items, this scenario is not consistent with the theory.
Option 4 (D): 'When RP- items are outperformed by NRP items.' While this could occur in some unmanipulated comparisons, it does not specifically capture the retrieval-induced forgetting effect, which concerns the relative disadvantage of RP- items compared to RP+ items (the core comparison in RIF).
Thus, the statement that directly reflects the RIF pattern is Option 1: RP- items are outperformed by RP+ items, indicating forgetting of related unpracticed items due to selective retrieval practice.

PSYC20007_2025_SM2 Week 9: Basics of Memory and Forgetting

When is retrieval-induced forgetting (RIF) evident?

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