1. A computer-implemented method for analyzing survey data, comprising: (a) selecting a subset of members from a population; (b) obtaining survey responses from the members in said subset; (c) generating point estimates of at least one population parameter; (d) generating confidence bounds for said point estimates; (e) conducting a trend analysis on the point estimates of said at least one population parameter; and (f) predicting future behavior of said population based on said trend analysis.