(i) The application of established principles of learning, motivation, perception, thinking, and emotional relationships to problems of personality evaluation, group relations, and behavior adjustment. The application of said principles includes, but is not restricted to, counseling and the use of psychological methods with persons or groups with adjustment problems in the areas of work, family, school, and personal relationships; measuring and testing of personality, intelligence, aptitudes, and emotions, and offering services as a psychological consultant. Psychologists with appropriate education, training and experience may diagnose and use psychological methods in the treatment of a mental, emotional or nervous illness or disability; alcoholism and other substance abuse; disorders of habit or conduct; psychological aspects of physical illness, accident, injury or disability; and psychoeducational evaluation, therapy, remediation and consultation.

(ii)(a) “Measuring and testing,” consisting of the psychological assessment and evaluation of abilities, attitudes, aptitudes, achievements, adjustments, motives, personality dynamics and/or other psychological attributes of individuals, or groups of individuals by means of standardized measurements or other methods, techniques or procedures recognized by the science and profession of psychology, (b) “psychological methods,” consisting of the application of principles of learning and motivation in an interpersonal situation with the objectives of modification of perception and adjustment, and requiring highly developed skills in the disciplines, techniques, and methods of altering through learning processes, attitudes, feelings, values, self-concept, personal goals and adaptive patterns, (c) “psychological consulting,” consisting of interpreting or reporting upon scientific fact or theory in psychology, rendering expert psychological opinion, psychological evaluation, or engaging in applied psychological research.