Washington Statutes

§ 18.83.010 — Definitions.

Washington § 18.83.010
JurisdictionWashington
Title 18BUSINESSES AND PROFESSIONS
Ch. 18.83PSYCHOLOGISTS

This text of Washington § 18.83.010 (Definitions.) is published on Counsel Stack Legal Research, covering Washington primary law. Counsel Stack provides free access to over 12 million legal documents including statutes, case law, regulations, and constitutions.

Bluebook
Wash. Rev. Code § 18.83.010 (2026).

Text

When used in this chapter:

(1)The "practice of psychology" means the observation, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures for the purposes of preventing or eliminating symptomatic or maladaptive behavior and promoting mental and behavioral health. It includes, but is not limited to, providing the following services to individuals, families, groups, organizations, and the public, whether or not payment is received for services rendered:
(a)Psychological measurement, assessment, and evaluation by means of psychological, neuropsychological, and psychoeducational testing;
(b)Diagnosis and treatment of mental, emotional, and behavioral disorders, and psychological aspects of illness, injury, and

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Related

Detention of Marshall v. State
125 P.3d 111 (Washington Supreme Court, 2005)
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In re the Detention of Marshall
156 Wash. 2d 150 (Washington Supreme Court, 2005)
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Dennis King v. Terence McGee
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Legislative History

[1994 c 35 s 1;1991 c 3 s 193;1984 c 279 s 75;1979 c 158 s 67;1965 c 70 s 1;1955 c 305 s 1.]

Nearby Sections

15
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Bluebook (online)
Washington § 18.83.010, Counsel Stack Legal Research, https://law.counselstack.com/statute/wa/18.83.010.