The scientific method is one of the foundational pillars of the field of psychology.However,empirically testing psychological therapies is very difficult.Describe two barriers to scientifically testing the effectiveness of psychological therapies.

Question

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The Answer is A good answer should contain TWO of the following points:
- Ethics-One common problem is that it is ethically problematic to place people into a control group that receives no treatment of any kind,because it effectively denies them treatment that they need.
- Double-blind experiments are impossible-given that a therapist must know which type of treatment she is administering,and many clients likely know what kind of therapy they are receiving as well.
- Variation amongst therapists-it can be very difficult to assess the general effectiveness of a therapeutic approach if therapists themselves differ widely in their own level of relevant skills.
- Relationship between client and therapist can influence outcome-the specific type of therapy used is actually less important than the "common factors" of empathy,trust,and the like,which allow the therapist and client to build an appropriately supportive relationship.Establishing a positive relationship therefore depends on various qualities of the therapist and client,as well as the "fit" between the two.

The Scientific Method Is One of the Foundational Pillars of the Field