Original sentence: Opinions differ as to whether alexithymia is a stable, or state dependent personality trait.Some studies show it to be stable in others it is found to be state-dependent.. Objections have been raised in particular that studies have been applied to clinical populations without correcting for the prevalence of depression in those populations
Edited sentence: Objections to its validity have been raised, in particular that it has been applied to clinical populations without correcting for the prevalence of depression in those populations.While the majority of studies show alexithymia is a stable personality trait there are some studies of specific populations in which it is found to be state-dependent