Advanced Comment Box Validations
The comment box can be made visible or hidden based on an answer selection. For choose one and choose many style questions enter the value of the radio button or check box in the Make Visible for Items and/or Require Comment for items text area on the Validation Option tasks.
For textBox tables the following options are supported:
1. When a combo box is used the comment area can be hidden/shown by entering a short formula in the Make Visible text area. For example =textboxGroupr1c1==3. The first = sign is required. To make this comment box required use the keyword visible in the Required Comment area textbox.