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This study investigates prototypicality and color diagnosticity within the Rorschach Performance Assessment System (R-PAS), focusing on how color\u2013object associations influence test\u2019s administration. In fact, prototypicality (the degree to which an object\u2019s feature aligns with its conventional representation) interacts with color diagnosticity (the extent to which an object is associated with specific colors). We administered a questionnaire to 587 nonclinical participants, and examined common color-object associations by asking them to (a) describe the visual characteristics they considered most representative of a given object, (b) read a series of colors and list three to five items commonly associated with a specific color, and (c) read a series of object names and select the color they thought most people would use to color those objects. Responses were analyzed via hierarchical cluster analysis. Results showed that certain objects exhibit high prototypicality in association to specific colors, whereas other items showed more ambiguous associations. Discussion emphasizes the importance of appropriate administration training, as well as more standardized guidelines to mitigate subjective biases in coding.<\/jats:p>","DOI":"10.1177\/10731911261442057","type":"journal-article","created":{"date-parts":[[2026,5,19]],"date-time":"2026-05-19T06:55:51Z","timestamp":1779173751000},"update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":0,"title":["What Makes It Look Like That? Prototypicality and Color Diagnosticity for the Rorschach"],"prefix":"10.1177","author":[{"given":"Marzia","family":"Di Girolamo","sequence":"first","affiliation":[{"name":"University of Turin, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ruam P. F.","family":"A. 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