Original sentence: Also, some critics maintain that the sources he used lack the systematic analysis that would give the reader confidence in them as reliable evidence.Some historians and anthropologists openly say that deMause's own formulations are insufficiently supported by credible research
Edited sentence: Also, some critics claim that the sources he used lack the systematic analysis that would give the reader confidence in them as reliable evidence.Some historians and anthropologists claim that deMause's own formulations are insufficiently supported by credible research