pˈɑːmɚ tˈuː θˈaʊzənd tˈuː nˈoʊts, "ɪnðə fjˈuː tɹˈaɪəlz wˌɛɹ zˈɛlən ɹˌændəmᵻzˈeɪʃən wʌz ɛmplˈɔɪd ɪt hˈæzbiːn mˈɛt wɪð dɪsɐpɹˈuːvəl fɹʌm pɑːɹtˈɪsɪpənts ænd ˈʌðɚz, bˌiːɪŋ dˈiːmd ˌɪnɐpɹˈoʊpɹiətli dᵻsˈɛptɪv ænd mənˈɪpjʊlətˌɪv, æt lˈiːst ɪn tɹˈaɪəlz fɔːɹ sˈɪɹiəs ɔːɹ lˈaɪfθɹˈɛʔn̩ɪŋ kəndˈɪʃənz.
Palmer (2002) notes, "in the few trials where [Zelen randomization] was employed it has been met with disapproval from participants and others, being deemed inappropriately deceptive and manipulative, at least in trials for serious or life-threatening conditions.