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ERIC Number: ED204662
Record Type: RIE
Publication Date: 1981-Mar
Pages: 21
Abstractor: N/A
Reference Count: 0
ISBN: N/A
ISSN: N/A
Older Persons' Perception of Letters in Words and Nonwords: Application of a Developmental Model.
Puglisi, J. Thomas; Allegretti, Christine L.
Although numerous studies have indicated that older persons process visual information more slowly than younger persons, the precise nature of age-associated changes in the processing of visually presented information remains unclear. Older adults (N=18) and college students (N=18) performed a visual search task in which lists of words and nonwords (presented in small-case, large-case, and mixed-case formats) were searched for the letters "a" and"r." Results supported the Allegretti-Puglisi developmental model of letter and word perception. Search times of all subjects indicated the presence of two, non-interacting phenomena: a word superiority effect (shorter search times for words than for nonwords) in both same-case and mixed-case formats; and a case effect (shorter search times for same-case than for mixed-case items) in both words and nonword conditions. Although older persons evidenced slower processing than college students in all stimulus conditions, the processing of older persons was differentially slowed in conditions which prevented automatic as opposed to effortful processing. (Author/NRB)
Publication Type: Reports - Research; Speeches/Meeting Papers
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Identifiers: Nonwords; Word Superiority Effect
Note: Paper presented at the Annual Meeting of the Southeastern Psychological Association (27th, Atlanta, GA, March 25-28, 1981). Best copy available.