Methodology

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Survey of Income and Program Participation

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Methodology

SIPP data show sample members lives at discrete points in time, as well as a history of changes in their economic circumstances and household relationships. Understanding the survey design, content, and procedures is key for analysts wishing to use SIPP data. Discussions of survey design, content, data editing and imputation procedures, sampling and nonsampling error, and weighting as well as linking SIPP files can be found using the sections below.

Organizing Principles and Interview Procedures

This section describes the basic information about the organizing principles of SIPP, sample selection, and the data collection process.

Data Editing and Imputation

This section describes the data editing imputation procedures applied to data from the SIPP after completion of the interviews.

Sampling

This section describes the information about nonsampling errors in the SIPP that may affect the results of certain types of analyses.

Weighting

This section describes the use of sampling weights in analyzing data from the SIPP.

Using and Linking Files

This section describes the guidance on how to accomplish a variety of common tasks.