Assertion: All therapeutic approaches involve an interpersonal relationship between the therapist and the client or patient. 
Reasoning: Some therapeutic approaches are directive in nature, such as person-centred, while some are non-directive such as psychodynamic.

Assertion (A) is true but Reasoning (R) is not correct.

All therapeutic approaches are corrective and helping in nature. All of them involve an interpersonal relationship between the therapist and the client or patient. Some of them are directive in nature, such as psychodynamic, while some are non-directive such as person-centred.