Final answer:
There are over 500 brands of psychotherapy in the modern marketplace, highlighting the extensive diversity within counseling psychology and the abundant options for therapy such as couples therapy.
Step-by-step explanation:
Prochaska and Norcross have cited a recent estimate that there are over 500 brands of psychotherapy in the contemporary marketplace. This highlights the vast diversity and complexity within the field of counseling psychology. With such a high number of therapeutic approaches, practitioners and clients can work together to find the most effective strategies tailored to individual needs, bearing in mind that evidence-based practice is crucial. For example, practices like couples therapy and techniques such as counterconditioning offer specific frameworks for addressing certain issues, and they are just two examples among hundreds available to modern therapists.