Giorgio Vasari was an Italian painter born July 30, 1511 and is mostly famous for his "Lives of the Most Excellent Painters, Sculptors, and Architects" which is a series of biographies. According to my research on Giorgio Vasari, I can say that based on the information provided within the question he gave the credit to Giotto di Bondone an italian painter from Florence, Italy.
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Role stain is the phenomena which occur when an individual finds it very difficult to fulfill the demands and responsibilities in his/her life. This increases the stress and strain in the individual when he/she fails to meet the expectations of the social roles. In the given case, Anna fails to meet the expectation of being a dutiful daughter and an efficient employee.