Martin is a therapist who reviews current research and takes his clients' characteristics, culture, and characteristics along with his clinical judgment into consideration when providing psychotherapy. according to your text, he is utilizing practice.

The correct answer is - ‘evidence-based practice’.

Explanation:

Evidence-based practice requires clinical psychologists to keep up with current research in the field, in order not to miss any important scientific advancements, which could help Martin to provide better treatment to his patients.  

Meanwhile, for the treatment to be customized and effective for a particular patient, Martin has to always take into consideration his or her characteristics, culture and individual choices.