I _ caution in interpreting these results.

Explanation

As a noun, 'urge' means a desire. As a verb, it means to strongly encourage. 'Urge' is related to the word, 'urgent' or 'pressing'. An 'urge' is a pressing want, one that is almost a compulsion, like when you're so frustrated, you have the urge to scream. If you urge someone to do something, you feel strongly about it.