The survey, called the Brief Environmental Exposure and Sensitivity Inventory, or BREESI, can also be used by researchers and patient groups, and for epidemiological studies in exposed populations.

If you haven’t played, 20Q is a game in which a player thinks of a person, place or thing, then another player asks up to 20 yes-or-no questions before trying to guess what the player is ...

In 2005 and 2006, Raymond had Zoomerang send two 20-question surveys, which he designed himself using the zPro software, to samples of U.S. adults who had a shower curtain in their main bathrooms.

Every yes/no question in the survey had also been asked on a similar survey the year before. We compared the distribution of responses on each of the questions affected (looking only at those who ...