The Republicans’ 17-seat House majority is their last bulwark against full Democratic control of the federal government, and senior party officials say they don’t intend to lose that firewall thanks to shoddy polling.

With that in mind, the NRCC has gathered its top pollsters for a series of meetings and conference calls in the first months of 2013, bringing together prominent commercial rivals for conversations about how to right an embattled political industry.

The cornerstone of their effort, officials say, is a large-scale NRCC project to model the electorate in the several dozen districts that will determine control of the House. The committee has formed a new Strategy Department tasked with projecting district-by-district population changes and mapping best- and worst-case turnout scenarios for campaigns to use in guiding their surveys…

In districts with significant Hispanic populations, party officials will urge campaigns to spring for Spanish-language call centers in order to survey less-assimilated Hispanic respondents who may not answer a poll in English.