Complex sentence: Dr. Anderson's critics say that his work overstates his results and fails to adequately acknowledge alternate views or limitations of the data on media violence, and express concern that his claim of a definite causal link are not well supported by the existing data.
Split into simpler sentences: Dr. Anderson's critics say that his work overstates his results and fails to adequately acknowledge alternate views or limitations of the data on media violence. They also express concern that his claim of a definite causal link is not well supported by the existing data.