The survey of couples from the US, Germany, Spain, Japan and Brazil was carried out by researchers from the Kinsey Institute at America's Indiana University.

参与调查的夫妻来自美国、德国、西班牙、日本和巴西。发起调查的是来自美国印第安纳大学金赛研究所的研究人员。

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"What has really changed is that among youth we see a decline in dating culture and so most college students have had more hookups than first dates, " says Justin Garcia, a sex researcher at the Kinsey Institute in Indiana.

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His role as a distinguished professor at Indiana University is an enduring legacy. (In a typical wisecrack, he claimed that his long attendance there was a result of the school's proximity to the Kinsey Institute for Research in Sex, Gender, and Reproduction.) His students included such standouts as Paul Katz of the Cleveland Quartet, and international prize winners such as Gary Hoffman and Maria Kliegel.

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