@article {Gerber:1981-12-01T00:00:00:0008-7041:104, author = "Gerber, Rodney V.", title = "Competence and Performance in Cartographic Language", journal = "Cartographic Journal, The", volume = "18", number = "2", year = "1981-12-01T00:00:00", abstract = "How do individuals develop an understanding (i.e. competence) and an ability to use (i.e. performance) the language of signs found on maps? An understanding of the concepts of competence and performance in cartographic language is derived from research into psycholinguistics and psychology. The concept of competence hinges on the individual's ability to comprehend cartographic signs. Competence and a range of individual attributes are important influences on an individual's development of performance in cartographic language. Emphasis is placed on children's development of competence and performance in cartographic language.", pages = "104-111", url = "http://www.ingentaconnect.com/content/maney/caj/1981/00000018/00000002/art00005", doi = "doi:10.1179/000870481787073451" }