9. A computer-implemented method of automatically evolving survey questions, comprising: receiving, at a processor, a first set of possible questions for a survey; selecting and transmitting a subset of the first set of possible questions to survey recipients; receiving, at the processor, participant ratings for each of the possible questions; using the processor to generate a confidence measure for each question based upon the participant ratings; generating a ranked list, with the processor, using the confidence measures; storing the ranked list; and selecting a predetermined number of the ranked question list and presenting those on a next version of the survey.
9. A computer-implemented method of automatically evolving survey questions, comprising: receiving, at a processor, a first set of possible questions for a survey; selecting and transmitting a subset of the first set of possible questions to survey recipients; receiving, at the processor, participant ratings for each of the possible questions; using the processor to generate a confidence measure for each question based upon the participant ratings; generating a ranked list, with the processor, using the confidence measures; storing the ranked list; and selecting a predetermined number of the ranked question list and presenting those on a next version of the survey. 12. The computer-implemented method of claim 9 , wherein the confidence measure is based on a standard error of the mean.