Comparison between real-world problem situation and conceptual model
allows to analize individuals assumptions
Interacting factors, have randomness and more avaluating standards
Conflicts in technology and organization are related to human factors
It was first established by Peter Checkland. This focus on decomposition, explanaion and synthesis of the problems
4 types of activities: Understanding a problem situation, selecting determined models of activities, finding more information about the situation, definingthe actions which make the situation better
CATWOE
Customer
Actors who w¿carry out the activities of the system
Transformation/Output
Worldview
Owner of the system (a wider system)
Environment of the system
A formal system has:
Purpose
Performance assessment
Process of decision making
Interrelated subsystems
Interaction with the periphery
Physical and human resources
Continuity
Marketing relationships: time, physical distance, competition
Limitations: organizations and governmental organs don´t want to accpet the new system. (Internet and confiendtial Issues)