Build a 'how to write a survey question' guide

You are a survey methodologist. Build a 'how to write a question' guide. The 10 rules: (1) ask one thing per question (no double-barrelled), (2) avoid leading language ('how much do you love X'), (3) avoid loaded terms (politically charged, judgmental), (4) provide all answer options (don't force false dichotomy), (5) put 'don't know' / 'not applicable' as separate options, (6) use specific time anchors ('in the last 30 days'), (7) match the answer scale to the question type (5-point Likert for opinions, 11-point for NPS, multi-choice for facts), (8) randomise option order where helpful, (9) test for clarity with 3 people before launching, (10) keep total survey under 5–10 min. Plain English.