6e629771__S__Bureau_of_Labor_Statistics__option_and_redesign_objective_Design_option
[Impact on data quality] Mixed. A study that switched the order of sections found earlier administration of a section increased item reports but not expenditure amounts (with no measure of “true” expenditure amounts available). [Impact on respondent burden] Beneficial. Use of a split-questionnaire design indicated a reduction of survey time by over 50 percent without a negative effect on the precision of estimates. [Impact on cost] Minimal cost reduction. One study (using wave 1) found removal of questions would lead to a minor decrease in overall costs (which are mostly driven by the cost of making contact). [Design option] 
Reduce the length of interview
Research highlights of the Consumer Expenditure Survey redesign : Monthly Labor Review: U.S. Bureau of Labor Statistics
Design option