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On the other hand, in his study on nine of "the Bibles most widely in use in the English-speaking world", Bible scholar Jason BeDuhn, Professor of Religious Studies at the Northern Arizona University, wrote: “The NW [New World Translation] emerges as the most accurate of the translations compared.” Although the general public and many Bible scholars assume that the differences in the New World Translation are the result of religious bias on the part of its translators, BeDuhn stated: “Most of the differences are due to the greater accuracy of the NW as a literal, conservative translation of the original expressions of the New Testament writers.” He added however that the insertion of the name Jehovah in the New Testament "violate[s] accuracy in favor of denominationally preferred expressions for God".

What insertion into the New Testament violates accuracy in favor of denominationally preferred expressions?
Jehovah