Assorted thoughts regarding the difficulty of quiz bowl question sets in the form of a numbered list. I'd like to hear feedback on them. This is largely off the top of my head
1. The perceived difficulty for sets depends, in part, upon the quality and the experience of the team playing the set.
2. The actual effect of difficulty of a set on the statistics of teams is different for teams of differing strengths. Harder sets deflate the stats of the best teams less than they do less talented teams.
3. It is not impossible for difficult sets to be enjoyed by teams that are not very good.
3a. It is my opinion that there is a strong correlation between weaker teams that enjoy these harder sets and their experience with pyramidal quiz bowl; that is, the more often a team has played in the past, the more likely it is to be okay with playing a set that is harder than normal.
4. Some small percentage of trash in a quiz bowl set is fairly acceptable, depending on the tastes of the teams in the tournament's field. There's no reason to have a set standard for how much trash should be in a tournament when the fields of two tournaments may be completely different.
4a. Using trash to inflate statistics for a set, or using trash to "make up" for questions on overly difficult subjects, is not a good way to address the difficulty of a set. This is an academic activity, and at least the majority of it should be academic in nature. At the same time, it should not be forgotten that this is a leisure activity and a game, so it should be designed to be as enjoyable by as many players as is possible while still staying fair, rewarding knowledge, allowing the best team to win, etc.
5. Fairly related to 4: a hypothetical tossup with five lines of impossible clues that are followed by a giveaway that promises 100% conversion is not a good way to address the difficulty of a set. By not allowing teams to buzz in early on tossups, you're defeating the purpose of allowing teams to buzz in during the question.
6. There is a place in the market for some number of difficult sets. It's okay for these sets to be produced, though we should probably consider as a group just how many sets like this do need to be produced.
6a. The number of high school tournaments needing to be "harder than regular season difficulty" is probably far smaller than what was produced for the 2010-2011 season, and probably will be smaller than what is produced for the 2011-2012 season.
6b. This is probably going to be true for a long time, since teams that write their own sets are usually of pretty good quality and are interested in writing a set because they want to learn new things and improving as teams. When evaluating what they want to accomplish when writing a set, these teams are usually going to be much more willing to emphasize using harder clues (allowing them to learn new things) than easier ones, because that is a more direct benefit to the team writing the questions.
7. Overly difficult questions are not the leading reason that quiz bowl doesn't grow more, but it could be a limiting factor. Difficult questions are discouraging to some percentage of potential quiz bowl players. I personally believe that percentage would be fairly significant, though I have no data to back this up beyond personal experiences in discussing things with teams.
8. Of the "big three" subjects, on average, history and science tend to be easier than literature. This is because the curriculum for history and science classes tend to include more material commonly asked in quiz bowl sets than those for English/literature classes. This is, in part, because there's only a limited number of works that can be read in each literature class, while most history/science classes don't spend weeks at a time discussing one particular event in history/one particular law of chemistry.
