The R&D expenditures reported by these doctoral establishments constituted ninety nine.1% of the estimated nationwide R&D expenditures for FY 2019. Table A-4 displays a detailed breakdown of response rates by survey kind and highest degree granted, and desk A-5 displays a breakdown of response charges for every survey question. The survey population was reviewed before information collection began to ensure that every institutional classification was accurate.
Table A-4 displays an in depth breakdown of response charges by survey population and highest diploma granted. Missing values have been imputed primarily based on the earlier 12 months’s information and the reported knowledge of peer establishments in the current cycle. For the 26 establishments that had not responded by the time limit of the survey and had been included in the FY 2018 HERD Survey population, R&D expenditures were imputed by making use of inflator and deflator elements to the prior 12 months’s key totals. Imputation elements were ratios derived from the two-12 months-trend data of responding establishments with comparable characteristics, including highest diploma granted, type of institutional management , and stage of complete R&D expenditures. Other values that weren’t identified as key totals have been imputed by applying ratios from the earlier year’s knowledge. By the survey’s deadline in August 2020, types had been received from 886 universities and colleges out of a inhabitants of 916, a response fee of ninety six.7%. Responses were obtained from ninety eight.four% of all doctorate-granting institutions.