NONRESPONDENTS
\nˌɒnɹɪspˈɒndənts], \nˌɒnɹɪspˈɒndənts], \n_ˌɒ_n_ɹ_ɪ_s_p_ˈɒ_n_d_ə_n_t_s]\
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Systematic gathering of data for a particular purpose from various sources, including questionnaires, interviews, observation, existing records, and electronic devices. The process is usually preliminary to statistical analysis of the data.
By DataStellar Co., Ltd