ðɪs ɛntˈeɪlz ɐɡɹˈiːɪŋ tə ɹᵻsˈiːvɪŋ ðɪ ɛkspˌɛɹɪmˈɛntəl tɹˈiːtmənt æz ɐ pˌɑːsəbˈɪlᵻɾi, ɹᵻsˈiːvɪŋ ðə kəntɹˈoʊl tɹˈiːtmənt æz ɐ pˌɑːsəbˈɪlᵻɾi, ænd ðɪ ʌnsˈɜːtənti ɪnvˈɑːlvd ɪn nˌɑːt nˈoʊɪŋ.
This entails agreeing to receiving the experimental treatment as a possibility, receiving the control treatment as a possibility, and the uncertainty involved in not knowing.