Bureau of Sociological Research (BOSR)


Date of this Version



Nebraska Annual Social Indicators Survey 2014-2015 NASIS Methodology Report, Bureau of Sociological Research, Department of Sociology, University of Nebraska


Copyright © 2015 University of Nebraska


Bureau of Sociological Research 2014-2015 NASIS Methodology Report 2


Introduction 3

Mode Selection 3

Design and Item Selection 3

Sampling Design 4

Experimental Design Treatment 4

Data Collection Process 4

Response Rate 5

Data-Entry Training, Supervision, and Quality Control 5

Processing of Completed Surveys 5

Data Cleaning 5

NASIS Sample Weights 6

Design Effects 6

Questions 6

Estimate of Sampling Error 9

Appendices 10

Appendix A: Cover Letters 10

First Mailing Cover Letter 10

Second Mailing Cover Letter 11

Appendix B: Survey Instrument (printed in black & white only) 12

Appendix C: Future Interest Research Form 24

Appendix D: Reminder Postcard 25

Appendix E: Experimental Designs 26

Appendix F: County Codes (All begin with “31”) 27

Appendix G: 2014-2015 NASIS Variables and Descriptions 28

Appendix H: AAPOR Transparency Initiative Immediate Disclosure Items 35