# Sample size in MARCH CPS 2014

**URL:** <https://forum.ipums.org/t/sample-size-in-march-cps-2014/682>\
**Category:** CPS\
**Created:** [October 18, 2014, 6:07pm UTC](https://forum.ipums.org/t/sample-size-in-march-cps-2014/682 "2014-10-18T18:07:00Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![dinamask](https://avatars.discourse-cdn.com/v4/letter/d/9de053/32.png) [@dinamask](https://forum.ipums.org/u/dinamask)\
**Post date:** [October 18, 2014, 6:07pm UTC](https://forum.ipums.org/t/sample-size-in-march-cps-2014/682/1 "2014-10-18T18:07:00Z")

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Dear Sir/Madame,

What is the reason for the small sample size of March CPS 2014 comparatively to previous years?

Many thanks

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**Author:** ![grover](https://sea1.discourse-cdn.com/flex019/user_avatar/forum.ipums.org/grover/32/5_2.png) [@grover](https://forum.ipums.org/u/grover)\
**Post date:** [October 20, 2014, 5:39pm UTC](https://forum.ipums.org/t/sample-size-in-march-cps-2014/682/2 "2014-10-20T17:39:00Z")

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The March 2014 ASEC implemented a split-design structure, as mentioned in the [IPUMS-CPS release note](https://cps.ipums.org/cps/revisions.shtml). This split-design was used to compare two sets of income questions. The first set of questions, which is identical to those used in the past, was given to 5/8 of the sample with the remaining 3/8 receiving the redesigned income questions. Currently, the Census Bureau has only released the data for the 5/8 of respondents that received the original set of income questions, but the redesigned data is expected to become available in early 2015.

I hope this helps.