Which criticism of the original Conflict Tactic Scales (CTS) is LEAST valid?

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The original Conflict Tactic Scales (CTS) have been widely used and considered reliable by many researchers for studying domestic violence and conflict resolution strategies within relationships. Criticisms regarding its failure to measure antecedents of aggression, overlooking gender differences, and assuming violence only occurs within conflicts are valid concerns raised by scholars. However, the claim that it is unreliable has been less supported, as the CTS has been a foundational tool in the field and its reliability has been established through numerous studies.

Which Criticism of the Original Conflict Tactic Scales (CTS) Is