Which principle of conduct is violated if a psychologist uses misleading advertising in their practice?

The principle of accuracy in advertising is essential for psychologists as it ensures that all promotional materials reflect the true nature of their services and qualifications. When a psychologist engages in misleading advertising, it can lead to false expectations and misunderstandings among clients regarding what they can anticipate from the psychologist's services. This principle mandates that psychologists provide clear, honest, and precise information to the public, promoting transparency and building trust. Violating this principle undermines the integrity of the profession and can potentially harm consumers who may rely on the accuracy of such information to make informed decisions about their mental health care.

The other options do not directly address the issue of advertising. The principle of confidentiality pertains to the protection of clients' private information, informed consent relates to the necessity of ensuring that clients understand and agree to the services being provided, and the principle of competence involves ensuring the psychologist is adequately trained and qualified to provide their services. While these are all vital ethical principles, they do not specifically cover the aspect of advertising accuracy.