also: でんわせろんちょうさ
noun
telephone poll; telephone survey
A public opinion survey conducted by telephone. Often used in news contexts.
新聞社が電話世論調査を実施した。
The newspaper company conducted a telephone poll.
世論調査 is a general public opinion poll, while 電話世論調査 specifies the method as telephone.
Compound of 電話 (telephone) + 世論 (public opinion) + 調査 (survey).