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cs623/notes.txt

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+# vim:ts=2:sw=2:sts=2:
 Chapter 1
 1. Computing Environments
   - physical (amt. of lighting, proximity of co-workers)
@@ -157,3 +158,18 @@ Chapter 5 - Design
         2. is the action visible to the user?
         3. does the user know how to proceed?
         4. is the feedback sufficient?
+
+Chapter 7 - Design Models
+  1. Predictive Models
+    pre-experience, such as KLM (Keyboard Level Model)
+      provides numerical prediction of user performance
+      primitive operations
+        - physical actions
+        - mental preparation
+        K = 0.35 sec (hit key on keyboard, press button on mouse)
+        P = 1.1 sec  (point - move mouse to position)
+        H = 0.4 sec  (homing - move hand b/w kbd & mouse)
+        R =          (responding - time for computer to respond)
+  2. Descriptive Models
+    help understand user-system
+    interaction such as STNs