“@bradiation: tips for writing a one-shot mini-dungeon for peeps who've never played before?”

Let the MM inspire u. Add decision points.

— Christopher Perkins (@ChrisPerkinsDnD) January 15, 2015

Sage Zoltar addendum: decision points are described in Player’s Handbook at page 6 and in Dungeon Master’s Guide at p.81 under Character Objectives section.