That's exactly right. If you would like some further help with the feature, you should take a look at sample 2 and sample 6 within the MediaLab samples folder as well.
MediaLab can extend out to even offer advanced excel based logic. Variables displayed have the possibility to be shifted and selected exactly as you would want them to be.
For more information, see the following links.
Example of text label variable replacement: http://www.empirisoft.com/medialab/h...textlabels.htm
Calculated Scores: http://www.empirisoft.com/medialab/h...ted_scores.htm
Advanced Variable Manipulation: http://www.empirisoft.com/medialab/h...d_features.htm
MediaLab can go as far as to even alter and edit variables located within custom HTML web specific stimuli (custom items):
http://www.empirisoft.com/medialab/h...stom_items.htm
http://www.empirisoft.com/medialab/h..._variables.htm