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Explain cause effect graphing .
Cause-effect graphing is a test case design method that gives a concise representation of logical conditions and corresponding actions.
There are four steps:
1. Causes (input conditions) and effects (actions) are listed for a module and an identifier is assigned to each
2. A cause-effect graph is developed.
3. The graph is changed to a decision table.
4. Decision table rules are changed to test cases.
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