- To have a representative sample, it recommends using stratification by income level.
- To reduce response burden and response errors it recommends questionnaire design strategies.
- To increase timeliness, it discusses data collection strategies to shorten response delay : by simplifying the questionnaire, reducing the number of data items, and/or breakdown requested, consistent with the user’s needs for statistics, by using computer assisted interviewing, or if using a paper and pencil questionnaire, using optical character reading.