From 18ebd7d7aadd2f3ebfd0ff0038fa83a84d357c32 Mon Sep 17 00:00:00 2001
From: josh <josh@45c1a28c-8058-47b2-ae61-ca45b979098e>
Date: Tue, 10 Nov 2009 23:25:51 +0000
Subject: [PATCH] added vim mode line to notes.txt

git-svn-id: svn://anubis/gvsu@458 45c1a28c-8058-47b2-ae61-ca45b979098e
---
 cs623/notes.txt | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/cs623/notes.txt b/cs623/notes.txt
index 9e12e54..b002cf9 100644
--- a/cs623/notes.txt
+++ b/cs623/notes.txt
@@ -1,3 +1,4 @@
+# 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