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In cases where you want to display (or not) certain options/items within a Matrix type question controlled by answers to any prior question. Single / multiple, Simple / Complex criteria, you can use the Show/Hide Options Logic.
Important Items to remember
You must have a page break between the source logic questions and the question you want to show/hide options for. The system should be able to collect the data and then make a logic decision (to show/or hide) for a particular question option.
Consider a Survey:
Question A Question B Question C (Matrix Question) Option 1 Option 2 Option 3 Question DNow consider this scenario: Question C - Option 2 should only be displayed if Yes is selected in Question A. To set this up click on the Add/Update Logic link for Question C