Aclinical psychologist says, "how do i decide on the best treatment? simple: i make sure to read the most recent research studies in therapy and follow their advice." this clinical psychologist believes in using:

The clinical psychologist believes in using evidence-based treatment. An evidence-based treatment is defined as a therapy used by psychologist in order to have a track of the effectiveness of the treatment of which the individuals are under an undergoing treatment that are to have been proven that the treatment actually works.

answer; the edward snowden leaks of nsa classified material;