How do I write a good screener?

A screener is a few questions people answer before they apply. Keep it short and neutral:

• Ask what people do, not what they think. “Which mobile network are you on?” beats “Do you like mobile money?”
• Don’t hint at the answer you want. We flag leading questions and suggest a fairer one.
• Mark which answers qualify. People who don’t qualify never reach your Applicants list.