CIS 1250 Lecture Notes - Lecture 8: Hawthorne Effect, Software System, Golden Ratio

• School: University of Guelph
• Department: Computing and Information Science
• Course: CIS 1250
• Professor: Luiza Antonie

Document Summary

Cognitive dissonance describes the feelings of discomfort that result from conflicting beliefs and behaviours. Colour used to attract attention, group elements, indicate meaning, and improve aesthetics. Common fate elements which move in the same direction are perceived to be more related than elements that move in different directions or are stationary. Comparison a method to illustrate two or more related variables. Confirmation require verification of actions before they are preformed. Consistency systems are more usable when similar parts have similar usage. Internal different elements in system are similar (ex. External elements in different systems created have similar use (ex. X to close browser on all operating systems) Constancy size, brightness, shape, loud(cid:374)ess (cid:894)people have ce(cid:396)tai(cid:374) pe(cid:396)ceptio(cid:374)s o(cid:374) ite(cid:373)s they"(cid:396)e seei(cid:374)g(cid:895) Constraint a method of limiting actions performed on a system. Contour bias humans tend to favour objects with contours over objects with sharp angles and points.