Trick-or-treating, is an activity for children on or around Halloween in which they proceed from house to house in costumes, asking for treats such as confectionery with the question, "Trick or treat?" The "trick" part of "trick or treat" is an idle threat to play a trick on the homeowner or his property if no treat is given.[citation needed] Trick-or-treating is one of the main traditions of Halloween. It has become socially expected that if one lives in a neighborhood with children one should purchase treats in preparation for trick-or-treaters. The National Confectioners Association reported in 2005 that 80 percent of adults in the United States planned to give out confectionery to trick-or-treaters, and that 93 percent of children planned to go trick-or-treating.