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- Cognitive development (1)
- Context reactivation (1)
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- Part-list cuing (1)
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- forward testing effect (1)
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Providing a subset of previously studied items as a retrieval cue can both impair and improve recall of the remaining items. Here, we investigated the development of these two opposing effects of such part-list cuing in children. Using listwise directed forgetting to manipulate study context access, three child age groups (7–8, 9–11, and 13–14 years) and young adults studied a list of items and, after study, were asked to either forget or continue remembering the list. After presentation of a second list, participants were tested on predefined target items from the original list in either the presence or absence of the list’s remaining (nontarget) items serving as retrieval cues. Results revealed that part-list cuing impaired recall of to-be-remembered target items regardless of age. In contrast, part-list cuing improved recall of to-be-forgotten target items in the adult and the oldest child groups but not in the two younger child groups. This finding suggests a developmental dissociation between the two opposing effects of part-list cuing, indicating that the beneficial effect develops later than the detrimental effect. In particular, following the view that the beneficial effect of part-list cuing arises from reactivation of the study context, the results suggest that elementary school children have difficulty in capitalizing on context reactivation.
Previous work has shown that testing can enhance learning and retention of subsequently studied new information. The present study investigated this forward testing effect in spatial memory. In two experiments, participants studied four successively presented 3 × 3 arrays, each composed of the same nine objects. They were asked to memorize the locations of the objects which differed across the four arrays. Following presentation of Arrays 1–3, memory for the object locations of the respective array was tested (testing condition), or the array was re-presented for additional study (restudy condition). Thereafter, Array 4 was presented and tested in both the testing and the restudy condition. In Experiment 1, testing was self-paced, whereas in Experiment 2, testing time was controlled by the experimenter. Consistent across the two experiments, testing was found to enhance location memory for Array 4, relative to restudying. Furthermore, testing also reduced the number of confusion errors (i.e., the tendency to misplace objects to locations on which they had appeared previously) made during recall of Array 4, suggesting that testing reduced the interference potential of prior information. The results indicate that testing can enhance subsequent learning of spatial information by reducing the build-up of proactive interference from previously studied information.