6e629771__S__Bureau_of_Labor_Statistics__option_and_redesign_objective_Design_option
[Impact on data quality] Mixed. Study indicated that the use of records is more important than the mode of interview in expenditure amounts, though the use of records is affected by mode. [Impact on respondent burden] No study [Impact on cost] Cost reduction. Telephone interviewing is less expensive than in-person interviewing. [Design option] 
Provide flexibility in mode of interviewing
Research highlights of the Consumer Expenditure Survey redesign : Monthly Labor Review: U.S. Bureau of Labor Statistics
Design option