TDQ-60 - a color picture-naming test for adults and elderly people: validation and normalization data

• Published in: Aging, Neuropsychology, and Cognition Vol. 25; no. 5; pp. 753 - 766
• Main Authors: Macoir, Joël, Beaudoin, Catherine, Bluteau, Josée, Potvin, Olivier, Wilson, Maximiliano A
• Format: Journal Article
• Language: English
• Published: United States Routledge 03-09-2018
• Subjects: lexical access; normative data; Picture naming; semantics; test validity; lexical access; semantics; normative data; Picture naming; test validity
• ISSN: 1382-5585; 1744-4128
• DOI: 10.1080/13825585.2017.1372355

Word-finding difficulties are usually assessed with picture-naming tests. In this article, we present the TDQ-60, a new test designed to assess acquired lexical access deficits, taking into account semantics and psycholinguistic variables. The article includes three studies. Study 1 describes the development phase of the TDQ-60.  In study 2, healthy control participants and individuals with a diagnosis of the semantic variant of primary progressive aphasia were assessed to establish the convergent and discriminant validity of the TDQ-60. Finally, in Study 3, a group of 305 young and elderly French-speaking adults from Quebec were assessed in order to provide normative data. The results demonstrate that the TDQ-60 has good convergent validity and good discriminant validity. This study also provides normative data in which were considered the effect of age and education.The TDQ-60 is a new valid picture-naming test, controlled for psycholinguistic variables and designed to identify the influence of semantics on lexical access in spoken production.