Well-Established Treatments |
I. At least two good between group design
experiments demonstrating efficacy in one or more of the following ways:
A. Superior
(statistically significantly so) to pill or psychological placebo or to another treatment.
B. Equivalent to an already established treatment in experiments with adequate sample
sizes.
|
OR |
II. A large series of single case design
experiments (n > 9) demonstrating efficacy. These experiments must have:
A. Used good experimental designs and
B. Compared the intervention to another treatment as in IA.
|
FURTHER CRITERIA FOR BOTH I AND II: |
III. Experiments must be conducted with
treatment manuals.
IV. Characteristics of the client samples must be clearly specified.
V. Effects must have been demonstrated by at least two different investigators or
investigating teams. |
Probably Efficacious Treatments |
| I. Two experiments showing the treatment is
superior (statistically significantly so) to a waiting-list control group. |
OR |
| II. One of more experiments meeting the
Well-Established Treatment Criteria IA or IB, III, and IV, but not V. |
| OR |
| III. A small series of single case design
experiments (n > 3) otherwise meeting Well-Established Treatment
Criteria II, III, and IV. |
