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	IST 402  - Section 1- Fall 2003
Mid-Term Practice Exam 10 Nov 03, draft of 30 Oct 03

Name: _______________________________________________

Please answer the following 7 of the following 9 questions Ñ 10 points each, scaled to 35% of the course.


1.	Why is it important to have an input and output link? 









2.	Comment on/correct this Soar code.  





p {propose-op
"This rule proposes an operator in the top state."
  (state <bottom-state> ^choices none ^problem-space top-space
    ^operator.name eat)
  -->
  (<s> ^operator <o> + =)
  (<o> ^name eat)  }
3.	 Describe two applications of cognitive models of human behaviour.







4. what are important aspects of cognition to include in a model of human behaviour?









5.	Describe the problem space computational model.  What are some advantages, some disadvantages, and open problems for this approach to representing knowledge?









6.  Describe the major types of impasses in Soar, and how they give rise to different types of learning. 









7.	What is the difference between rules and operators?





8.	Describe the top state, its attributes and values. 













9.	Describe some approaches to building a model of human behavior.










10.	Describe the three major levels that Soar can be examined on.










11.	Write a small Soar model to add two numbers together.
















12.	When would you want to change/develop your model further?