Activity 5.3: Creating Usage Scenarios
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Activity 5.3: Creating Usage Scenarios
Usage scenarios help you to determine the tasks that make up a use case. You
can use them to determine your understanding of processes within the business.
Gaps in a usage scenario indicate information that you will need to gather to
document the current state.
In this activity, you will develop usage scenarios for six of the use cases that
you identified in Activity 5.2.
Objectives
After completing this activity, you will be able to:
!
Create usage scenarios.
Before You Begin
This activity consists of small group tasks and class discussion.
Materials
To complete this activity, you will need the Ferguson and Bardell, Inc. case
study in Appendix 1, and the results of your work in Activity 5.2.
Estimated time to complete this activity: 25 minutes followed by a 15-
minute class discussion
34 Activity 5.3: Creating Usage Scenarios
Exercise 1: Creating Usage Scenarios
You will create a total of six usage scenarios from the use cases that you
identified in Activity 5.2.
!
Create usage scenarios for the consultants and administrative assistants
1. Work in groups assigned by the instructor.
2. Identify three use cases each for the consultants and the administrative
assistants.
3. Review the case study to determine the preconditions, task sequence, and
postconditions for each use case.
4. Use the tables below to create the usage scenarios.
5. When you are finished, identify a spokesperson for your group to present
your results to the class.
System:
Actor:
Use case:
Scenario:
Precondition:
Task sequence Exceptions
Post condition:
Activity 5.3: Creating Usage Scenarios 35
System:
Actor:
Use case:
Scenario:
Precondition:
Task sequence Exceptions
Post condition:
System:
Actor:
Use case:
Scenario:
Precondition:
Task sequence Exceptions
Post condition:
36 Activity 5.3: Creating Usage Scenarios
System:
Actor:
Use case:
Scenario:
Precondition:
Task sequence Exceptions
Post condition:
System:
Actor:
Use case:
Scenario:
Pre condition:
Task sequence Exceptions
Post condition:
Activity 5.3: Creating Usage Scenarios 37
System:
Actor:
Use case:
Scenario:
Precondition:
Task sequence Exceptions
Post condition:
