In order to help you type people quickly here's some signs to look for. They are shown as a positive correlation; the opposite is a tendency to the other mode.

Sensors like to deal with a constant stream of facts.
Intuitives like to look at the possibilities.

Intuitive tendencies

You prefer to speculate about various options than to act immediately.
You think about destiny the future and its implications.
You easily see the general principles behind argument or statement of "fact"
You don't get bored with theoretical books and manuals.
You will submit to theoretical alternatives if they appear better than your own experiences.
You don't need to see it, feel it or touch it to believe it is right.
Generally Future plans preoccupy your mind.
You easily see the potential ways in which a sequence of events could develop.

Sensing tendencies

Opposite tendency towards the above questions.