略語大辞典 [Stat] 28 RDD random digit dialing (sample) 無作為番号電話(抽出). 世論調査の方法.random digit dialing (sample); a telephone survey; a procedure of public interview surveys; e.g. used for NABS(National AIDS Behavioral Surveys), in (US); ref. FTF(face-to-face) survey; [Stat:Pub:Med]. 丸善「略語大辞典」JLogosID : 11857559