| 2026-06-28 | Binary question type |
| 2025-12-27 | Unambiguous question type |
| 2025-10-27 | Like 20 Questions questions |
| 2025-07-03 | Kind of question that's binary |
| 2025-04-15 | Like the questions asked in Guess Who? |
| 2024-10-13 | Kind of question |
| 2024-08-12 | Like the questions asked in 20 Questions |
| 2024-07-05 | Like some dichotomous questions |
| 2024-04-13 | Kind of question |
| 2023-11-19 | Kind of question |
| 2023-05-15 | Like questions in 20 Questions |
| 2022-05-08 | Like some questions |
| 2021-06-20 | Kind of question |
| 2021-01-24 | Like binary questions |
| 2020-07-07 | Like some binary questions |
| 2020-04-19 | Like a question for which "maybe" is not an option |
| 2020-03-29 | Binary, as some questions |
| 2020-03-16 | Kind of question you have a 50% chance of guessing correctly |
| 2019-10-19 | Binary response option |
| 2019-07-15 | Like some straightforward questions |
| 2019-05-09 | Like some questions |
| 2018-04-08 | Like the questions in 20 Questions |
| 2017-08-20 | Simple, as a question |
| 2017-07-16 | Kind of question |
| 2016-09-27 | Answerable with a head nod or shake |
| 2015-02-15 | Kind of question |
| 2014-10-03 | Choice words? |
| 2014-09-22 | Kind of question with only two answers |
| 2013-10-20 | Kind of question |
| 2012-12-01 | Binary, in a way |
| 2012-04-10 | Kind of question |
| 2012-03-05 | Simple kind of question |
| 2012-03-02 | ___ question |
| 2012-01-19 | Kind of question |
| 2011-09-14 | Kind of question on a survey |
| 2010-08-23 | Like some questions |
| 2010-06-23 | Kind of question |
| 2010-04-11 | Phrased for a quick answer |
| 2010-02-19 | Answerable with a nod or a shake |
| 2008-10-09 | Offering a stark choice |
| 2008-03-30 | Kind of question |
| 2007-05-12 | Having no gray area |
| 2007-03-29 | Kind of question |
| 2006-08-17 | Kind of question |
| 2006-05-07 | Kind of question |
| 2005-09-08 | Kind of question |
| 2003-12-04 | Kind of question |
| 2002-02-26 | Kind of question |
| 2002-02-11 | Kind of question |
| 2001-02-09 | Like some questions |
| 1999-06-09 | Kind of question |
| 1998-06-28 | Like some questions |
| 1997-09-16 | Kind of answer |
| 1996-01-07 | Kind of question |