The use of unit treatment additivity and randomization is similar to the design-based inference that is standard in finite-population survey sampling.
ðə jˈuːs ʌv jˈuːnɪt tɹˈiːtmənt ˌædɪtˈɪvᵻɾi ænd ɹˌændəmᵻzˈeɪʃən ɪz sˈɪmɪlɚ tə ðə dɪzˈaɪnbˈeɪst ˈɪnfɚɹəns ðæt ɪz stˈændɚd ɪn fˈaɪnaɪtpˌɑːpjʊlˈeɪʃən sˈɜːveɪ sˈæmplɪŋ.