This course will include the principles of the diagnostic process and will include assessment and testing procedures. The diagnostic process will include the current Diagnostic and Statistical Manual of Mental Disorders; the impact of co-occurring substance use disorders and psychological disorders; and continuum of care and treatment modalities. Assessment through testing will include basic concepts of standardized and non-standardized testing and assessment. It will include social and cultural factors related to the assessment and evaluation of groups and ethical strategies for selecting, administering, and interpreting assessment instruments and techniques in counseling. Appropriate use of assessment in a transpersonal, whole-person framework will be addressed.