@techreport{weko_212472_1, author = "Taku,Yamane and Yin,Chen and Tadashi,Okoshi and Jin,Nakazawa", title = "ManWaKei: Measuring the Amount of Speech and Investigating its Effect on Stress", year = "2021", institution = "Keio University, Keio University, Keio University, Keio University", number = "1", month = "aug" }