Also known as network diagram or critical path diagram. Show sequence of activities with linkages and dependencies. If critical path then timescales are involved.
Flow Block Diagrams
Maps flow of processes. Focuses on elements/components involved in flow of materials or instructions.
Decision Trees
Identifies options available and key choices. Analysis of complex decisions with significant uncertainty can be confusing because: the consequence that will result from selecting any specified decision alternative cannot be predicted with certainty. there are often large number of different factors that must be taken into account may be useful Continue Reading
Cause and Effect Diagram
Cause and Effect diagrams sometimes called fishbone diagrams or Ishikawa (name of the developer). Models casual relationships that occur. Identifies what is causing what effect. Will identify multiple causes if they exist – critical for understanding complex situation. Will also identify feedback loops. Diagram focuses on causes rather than effect. Continue Reading
Further Model Types and their uses
Rich Pictures Often first stage in design process Free format diagram to capture system Identifies politics, processes, emotions Theme places in middle, link words placed around it Systems Dynamics Show states and rates for given situation Example: human population and rate of increase/decrease Other states can be modelled against human Continue Reading