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Access to sets (defined as the proportion of two- or three-item sets from which at least one word was recalled) for each age group and condition in Experiment 2. The familiarized singletons were scored as two- or three-item sets as controls for comparison with familiarized pairs or triplets. Error bars are standard errors. Sngltn = singleton during familiarization; cntl = control; famil. = familiarized.
