In 1886, Antoinette Faure, the daughter of the future French President Félix Faure, asked her childhood friend Marcel Proust to fill out a questionnaire in a book titled “Confessions. An Album to ...

A behind-the-scenes blog about research methods at Pew Research Center. For our latest findings, visit pewresearch.org. Pew Research Center conducts surveys all around the world on a variety of topics ...

To select a sample with PROC SURVEYSELECT, you input a SAS data set that contains the sampling frame, or list of units from which the sample is to be selected. You also specify the selection method, ...