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(A) Mean values (± 1SD) of accuracy of message reports (AMR) for phone messages delivered as text and audio messages for young (left) and older (right) adults. (B) Mean values (± 1SD) for obstacle detection times (ODT) for text and audio messages, as well as the no-message condition in the two ages groups. Statistically significant results are indicated. Symbol indicates **p < 0.01.
