Researchers conducted an experiment comparing memory retention across age groups (7-year-olds, 16-year-olds, and 70-year-olds). Participants studied 30 everyday words and were randomly assigned to one of two encoding conditions: (1) shallow encoding (count the vowels in each word) or (2) deep encoding (rate how useful each item would be on a camping trip). After a 20-minute distraction task, participants completed free recall. Across all ages, deep encoding improved recall relative to shallow encoding, but the advantage was largest for the older adults, who performed relatively poorly in the shallow condition. Which outcome is most likely based on the levels-of-processing framework?
- Older adults should show no benefit from deep encoding because episodic memory is fixed after early childhood.
- Deep encoding should improve recall in each age group because semantic processing creates more retrievable memory traces. (correct answer)
- Children should benefit most from deep encoding because formal operational thinking begins at age 7.
- Shallow encoding should outperform deep encoding because rehearsal time is higher when counting vowels.
Explanation: This question tests understanding of the levels-of-processing framework in memory across different age groups. The levels-of-processing theory states that deeper, semantic processing (like considering meaning or usefulness) creates stronger memory traces than shallow, structural processing (like counting vowels). The study shows that all age groups benefit from deep encoding, which is consistent with this framework applying across the lifespan. Answer B correctly predicts this universal benefit of semantic processing. Answer A incorrectly claims episodic memory is fixed after early childhood, contradicting established research on memory development. Answer C misapplies Piaget's formal operational stage to memory encoding, and Answer D reverses the established relationship between processing depth and recall. When evaluating memory experiments, remember that deeper processing consistently improves retention regardless of age, though the magnitude of benefit may vary based on baseline cognitive abilities.