The Conceptual Model
10
Click here to load reader
-
Upload
tim-sheiner -
Category
Documents
-
view
677 -
download
0
description
#3 in my series, Design of Digital Machines Describes what a conceptual model is, visualization standards, and conceptual modeling challenges.
Transcript of The Conceptual Model
0.5beta 2013 This work by Tim Sheiner is licensed under a Creative Commons Attribution 3.0 United States.
Conceptual ModelWhat is this all about, anyway?№ 3, Design of Digital MachinesTim Sheiner
0.5beta 2013 This work by Tim Sheiner is licensed under a Creative Commons Attribution 3.0 United States.
The four sub models of the machine
The conceptual model corresponds most closely to entire digital machine.
object model
interaction model data model
Digital Machine
ModelView
ControllerInput
Output
2
conceptual model
0.5beta 2013 This work by Tim Sheiner is licensed under a Creative Commons Attribution 3.0 United States.
What does this thing do?
3
The concept model defines the system purpose
๏ what problem it solves (the need),๏ for whom it solves the problem (the persona).
You learn the concept model one of 3 ways
1. It is given to you;2. You need to figure it out;3. It is given to you, but incorrectly, see case 2.
0.5beta 2013 This work by Tim Sheiner is licensed under a Creative Commons Attribution 3.0 United States.
Solution for case 2:
Do user research
4
0.5beta 2013 This work by Tim Sheiner is licensed under a Creative Commons Attribution 3.0 United States.
Communicating the Concept Model
5
Two standard formats
1. Prose description2. Concept Map
0.5beta 2013 This work by Tim Sheiner is licensed under a Creative Commons Attribution 3.0 United States.
Example: Prose Description“A concept model is a high level description of an application.
๏ it enumerates all concepts in the application that a user can encounter
๏ describes how those concepts relate to each other๏ and explains how those concepts fit into task that users
perform with the application”
6
0.5beta 2013 This work by Tim Sheiner is licensed under a Creative Commons Attribution 3.0 United States.
Example: Prose Description“A concept model is a high level description of an application.
๏ it enumerates all concepts in the application that a user can encounter
๏ describes how those concepts relate to each other๏ and explains how those concepts fit into task that users
perform with the application”
6
Johnson & Henderson, Conceptual Models, 2012
0.5beta 2013 This work by Tim Sheiner is licensed under a Creative Commons Attribution 3.0 United States.
Example: Concept Map
Concept Model concepts users
goals
who need
a
organizedinto
workflows
tasks
tool for achieving particular
who want to achieve particular
identifies that matter to
permit
application
based on Johnson & Henderson, 2012
7
0.5beta 2013 This work by Tim Sheiner is licensed under a Creative Commons Attribution 3.0 United States.
Concept Modeling Challenges๏ Keeping it simple and focused๏ Keeping it conceptual
➡ does not describe implementation➡ does not describe user interface➡ does not describe use cases➡ does describe utility
8
0.5beta 2013 This work by Tim Sheiner is licensed under a Creative Commons Attribution 3.0 United States.
fin
9
