Two key features of Linehan's diathesis-stress theory of borderline personality disorder are Group of answer choices object representation and cognitive style. cognitive bias and attribution error. ego functioning and transference. emotional dysregulation and experiences of invalidation.

Answer: Key features of Linehan's diathesis-stress theory of borderline personality disorder are;

1.) Emotional dysregulation and

2.) Experiences of invalidation.

Explanation: Linehan's diathesis-stress theory explains a disorder that is caused by stress. A diathesis is a mental conception that may result from genetic, psychological, biological, or situational factors.