Cal. Bus. & Prof. Code § 2942
The board may examine by written or computer-assisted examination or by both. All aspects of the examination shall be in compliance with Section 139. The examination shall be available for administration at least twice a year at the time and place and under supervision as the board may determine. The passing grades for the examinations shall be established by the board in regulations and shall be based on psychometrically sound principles of establishing minimum qualifications and levels of competency.
The board may utilize examinations for a psychologist's license under a uniform examination system, and for that purpose the board may make arrangements with organizations to supply and administer examination materials.
Ca. Bus. and Prof. Code § 2942