Survey Methodology, FY 1995
The R&D Expenditures Survey methodology is described below. If you have any additional questions about survey methodology, contact
the NSF survey managers
.
Contents
Survey Population and Sample Design
Data Collection and Processing Activities
Survey Mailout
Receipt and Processing of Survey Materials
Follow-up Activities
Data Processing
Data Editing
Survey Close-Out
Database Management System
Automated Survey Questionnaire (ASQ)
Progress Reports
Response Rates and Imputation for Nonresponse
Response Rates
Response Burden
Imputation Methodology
Imputation Rates
Retro-Imputation Based Upon Subsequent Data Submissions
Data Weighting and Standard Errors of Measurement