Last week we discussed seven hats so why are we discussing eight hats this week.  As our concepts and theories evolve, we adapt our assessments to fit the new model. Kirks (2012) eight hats of data visualization design was influenced by Edward de Bonos six thinking hats.  However, last week we discussed seven hats. What changed from Kirks 2012 book to his 2016 book? This week we will discuss the similarities and differences of Kirks (2012, 2016) hats. (Chapter 2 of the ebook is in the online course room)

Reference:
Kirk, A. (2012). Data Visualization: A Successful Design Process. Birmingham: Packt Publishing. pg: 45-51.
Kirk, A. (2016). Data Visualisation: A Handbook for Data Driven Design (p. 50). SAGE Publications