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Psychological Encyclopedia

Ethics in Forensic Psychology: Impartiality, Competence, and Dual Roles

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Author: Ukrainian Psychological Hub · Published: October 11, 2026 · Editorial Policy


Ukrainian Psychological Hub · October 11, 2026 · Forensic & Legal Psychology


Evidence-based professional and scientific overview. United States legal examples are identified as jurisdiction-specific.


What ethics in forensic psychology means


Ethics in forensic psychology is the framework governing professional psychological work for courts, attorneys, agencies, correctional systems, insurers, and other legal decision makers. It guides the definition of an assignment, the protection of participants, the use of scientific methods, the interpretation of competing evidence, and the expression of an expert opinion. These decisions can affect liberty, family life, civil rights, employment, access to services, and financial interests. Ethical practice therefore begins when a referral is received and continues through examination, reporting, testimony, record retention, and correction of error.


The central requirement is an accurate and fair response to a specific psycholegal question. A psychologist may be hired by a party with a strong position in litigation, but the opinion must remain accountable to evidence. The APA Specialty Guidelines for Forensic Psychology organize professional expectations around integrity, impartiality, competence, roles, confidentiality, methods, and communication. The APA Ethics Code, professional regulations, and jurisdictional laws provide further obligations.


A psychological assessment result is distinct from a legal finding. The expert may describe clinical functioning, cognitive abilities, response style, observations, or an evidence-based risk estimate, while legally authorized decision makers determine such outcomes as guilt, legal responsibility, or competency under the applicable standard. For a broader overview, read Forensic Psychology: What It Is and What Forensic Psychologists Do.


Why forensic ethics is especially consequential


Psychological work in an adversarial legal system is shaped by incomplete records, disputed allegations, competing incentives, and sometimes compulsory participation. An individual being evaluated may be confused about whether the psychologist acts as a therapist, a court-appointed examiner, or a consultant for a litigant. The treating relationship ordinarily aims at clinical care; a forensic relationship aims at answering a specified question for an external decision maker. The person examined may be affected profoundly by the final report.


The presence of professional credentials cannot substitute for an adequate procedure. High-stakes work requires a clear role statement, carefully chosen methods, meaningful protection against bias, disclosure of missing information, fair attention to different interpretations, and understandable reporting. Ethical competence involves both the psychologist's expertise and the safeguards built into the assignment.


Ethics standards, specialty guidelines, and legal rules


Professional ethics and law operate together while remaining conceptually distinct. The APA Ethics Code sets standards on competence, multiple relationships, conflicts, third-party requests, assessment, confidentiality, and avoiding harm. The APA specialty guidelines, published in American Psychologist in 2013, articulate additional practice recommendations for forensic services. Specialty guidelines are aspirational professional guidance and should not be presented as universally binding legal rules.


Licensing laws, disciplinary rules, court orders, privilege statutes, evidence rules, and the law governing the precise legal question may add different duties. In the United States, federal expert testimony is evaluated under Federal Rule of Evidence 702. Its 2023 amendment clarifies the court's admissibility determination regarding sufficient facts, reliable principles and methods, and reliable application. That is a legal threshold, not a psychological test of whether every expert conclusion is true. Individual states and other countries can use different standards.


A practitioner should identify which requirements are psychological, which are ethical, and which are legal. When competing obligations arise, responsible action may require consultation, clarification with the retaining authority, or legal advice rather than assuming one document settles every case.


Impartiality and professional independence


Impartiality means assessing pertinent evidence and rival explanations fairly regardless of which party requested the evaluation. It requires independence in professional reasoning, consistent standards for supporting or rejecting hypotheses, and communication that permits readers to inspect how a conclusion was reached. An impartial expert can reach a strong conclusion when the evidence warrants one; neutrality does not require treating incompatible hypotheses as equally plausible.


APA forensic Guideline 1.02 addresses accuracy, impartiality, fairness, and independence. In practice, an evaluator formulates the question before collecting data, examines contradictory evidence, identifies information gaps, compares alternative explanations, and explains the evidence supporting each consequential inference. A report that suppresses contradictory facts may mislead even if its remaining sentences are literally accurate.


Being retained by a defense lawyer, prosecutor, agency, parent, or insurer does not itself establish a lack of impartiality. The ethical issue is whether payment, instructions, access to data, or personal commitments have improperly shaped the professional opinion.


Adversarial allegiance: evidence that professional judgment can shift


Adversarial allegiance refers to expert judgments moving toward the interests of the party believed to have retained the expert. In an experiment involving 108 forensic psychologists and psychiatrists, Murrie and colleagues (2013) provided identical case materials while manipulating participants' beliefs about their retaining side. Experts who believed they worked for prosecutors tended to assign higher risk scores than experts who believed they worked for the defense. The study provides strong experimental evidence of an allegiance effect in the setting examined.


The study does not show that every forensic professional is biased or that any particular legal case was decided incorrectly. Its ethical implication is that sincere intentions and expertise are insufficient safeguards. Retainer identity, pressure for a preferred answer, and selective information can shape the conditions in which apparently technical judgments are made. Procedures that bring opposing explanations and sources into view are therefore important.


An expert should distinguish a legitimate request to correct an error from a request to alter an unfavorable conclusion. New reliable facts may justify revised findings; a preferred litigation strategy does not.


Confirmation bias and safeguards


Confirmation bias may affect what an evaluator looks for, remembers, discounts, and treats as corroboration. A systematic review of forensic-science cognitive bias found empirical support for contextual influences in the disciplines studied, while evidence quality and quantity varied by method and field. Findings about fingerprint or other forensic-science comparisons cannot be transferred without qualification to every psychological examination.


A systematic review of cognitive bias specific to forensic mental health examined the evidence for bias and proposed debiasing methods. Practical protections include delaying exposure to irrelevant accusatory material, collecting disconfirming information, using structured methods where they are appropriate, reviewing alternative hypotheses, recording decision rules, and inviting independent consultation. The evidence for individual safeguards in all real-world legal settings remains developing.


The task is to improve the conditions under which a judgment is formed. A checklist used mechanically, or a declaration of personal objectivity, cannot replace thoughtful and methodologically valid assessment.


Competence: more than a psychology license


Forensic competence is specific to the service being performed. It requires understanding the relevant legal question, appropriate psychological science, the examinee population, the strengths and limits of available instruments, and the conditions under which an opinion will be used. A therapist experienced with severe mental illness may not automatically possess the expertise needed for historical criminal-responsibility evaluation, a specialized parenting evaluation, or an actuarial risk opinion.


APA forensic Guideline 2.01 directs attention to complexity, relevant training, preparation, experience, scientific foundations, and consultation. Expertise also changes over time as research, law, and assessment tools develop. When the assignment falls outside one's competence, referral or a narrower role can be the professionally responsible response.


Competence includes knowing when a clinical diagnosis cannot answer a legal question. Diagnosis addresses clinical criteria; criminal responsibility, trial-related abilities, and capacity are defined by jurisdiction-specific functional or historical tests. A psychological interpretation must show how its evidence relates to the actual legal construct.


Using psychological tests ethically


Tests and structured assessments are useful when they measure a relevant construct, have appropriate evidence of reliability and validity, and can be interpreted for the particular person and setting. An instrument's published validity does not establish accurate performance across every age group, language, culture, disability, legal context, or time horizon. A score should be reported with its proper meaning and uncertainty.


The APA Guidelines for Psychological Assessment and Evaluation address appropriate uses and limits of assessment evidence. Forensic reports should differentiate clinical symptoms, diagnosed disorders, observed behavior, psychometric results, and psycholegal conclusions. A screening result is not a diagnosis; a diagnosis is not proof of an offense; a response-style index is not automatic proof of deliberate deception.


Interviews, third-party records, test results, and contemporaneous documentation can complement one another. Their disagreement may reveal errors, changing conditions, limited access to information, or genuinely unresolved facts. A competent evaluator should investigate rather than suppress important discrepancies. A separate article addresses Forensic Psychological Assessment: Purpose, Methods, and Limits.


Risk assessment: prediction, error, and calibration


Where a forensic opinion concerns violence, recidivism, or future conduct, the psychologist must identify the predicted outcome, the population for which the method was validated, the time frame, and the setting. Predictive validity is contextual. An instrument may discriminate between groups yet be poorly calibrated for a new population. Performance metrics such as sensitivity, specificity, positive predictive value, and calibration measure different features of prediction.


Base rates change the practical significance of test results. In a population where the relevant event is uncommon, even a reasonably discriminating tool can produce many false positives. False negatives can also occur. A high score cannot establish that an individual will offend, while a low score cannot establish that harm is impossible. Applying a tool beyond its validation population or for a different outcome may substantially alter error rates.


Ethically careful testimony labels an instrument's outputs as probabilistic indicators rather than evidence of guilt or legal responsibility. The evaluator should discuss uncertainty, subgroup limits, fairness, and whether the information is suitable for the decision actually being made.


Conflicts of interest and payments


Personal relationships, financial arrangements, institutional affiliations, public commitments, and previous professional roles can impair independence. Examples include an evaluator's close relationship with a party, a strong personal interest in a case's outcome, repeated retention under pressure for favorable findings, or access to confidential information obtained in a prior therapeutic relationship.


APA Ethics Code Standard 3.06 and forensic Guideline 1.03 address conflicts capable of impairing professional judgment or exposing others to harm. Disclosure matters but is not always sufficient. A conflict may require limiting scope, independent oversight, recusal, or referral. The decisive question is whether the role can be performed fairly and competently.


Ordinary payment for time and expertise is consistent with forensic practice. Compensation conditioned on a desired case outcome threatens objectivity because it ties professional reward to litigation success. Nonfinancial incentives, such as career advancement and loyalty to an agency, also deserve examination.


Dual roles and multiple relationships


A dual role occurs when professional duties or relationships overlap in ways that may conflict. The most frequently discussed example is a psychologist treating a person and simultaneously performing an independent forensic evaluation of that person. The treatment role commonly emphasizes care, therapeutic alliance, and ongoing clinical decisions. The forensic role emphasizes a legally defined question, assessment of potentially opposing evidence, and communication to an external authority.


APA forensic Guideline 4.02 identifies the risks of multiple relationships and recommends reasonable efforts to refer concurrent or sequential therapeutic and forensic functions to different qualified professionals where feasible. When unusual circumstances make that impractical, practitioners should consider the specific harms, relevant instructions, consultation, documentation, and the possibility of separating responsibilities. The existence of more than one contact does not automatically make a relationship unethical; the risks of impaired objectivity, exploitation, or harm are central.


The decision should be explicit before information is collected. A therapist cannot simply change a patient's expectations retrospectively and treat previously confidential disclosures as though they were obtained for a contested forensic evaluation.


Treating therapist versus forensic evaluator


A treating psychologist may legitimately describe dates of care, observed symptoms, clinical diagnoses, treatment history, and clinical progress, subject to appropriate permissions and legal rules. Such testimony has a different foundation from a full expert opinion on criminal responsibility, competency, causation, or the comparative merits of parenting arrangements. APA forensic Guideline 4.02.02 distinguishes ordinary therapeutic testimony from opinions that constitute forensic practice.


Imagine a therapist asked to certify that a longstanding patient is legally incompetent. The therapist may know the patient's history well, yet the legal question calls for understanding the jurisdiction's standard, assessing the specified functional capacities, reviewing relevant sources, and considering alternative explanations. A separate qualified forensic evaluator can often perform that task with fewer conflicting obligations. The specialized EN58-146 article is reserved to examine that comparison in detail.


Third-party requests and identifying the client


The person who is evaluated may differ from the client who retains the psychologist. Courts, attorneys, insurers, organizations, and agencies can commission examinations of someone else. That arrangement has implications for who receives the report, the permitted uses of information, confidentiality, privilege, and the examinee's understanding of the process.


APA Ethics Code Standard 3.07 and forensic Guideline 4.01 call for clarifying the professional role, client identity, intended use, and limits of privacy. The information should be communicated in language the participant understands. A court-mandated or litigation-focused assessment should not be represented as confidential therapy.


A retaining party's contractual relationship with the evaluator does not grant unrestricted scientific control over the findings. Likewise, receiving a report and holding legal privilege are different questions that may be resolved under separate laws.


Consent, notification, and meaningful comprehension


Informed consent generally involves explaining the service's nature and purpose, third-party involvement, foreseeable use, relevant confidentiality limits, and an opportunity to ask questions. Some assessments are authorized by court order or legislation and involve exceptions to ordinary consent requirements. Ethical notification and respectful treatment remain important even when participation is legally compelled.


APA Ethics Code Standard 9.03 describes assessment consent and specified exceptions, together with requirements for understandable information when testing is mandated. APA forensic guidance also discusses assent and notification. The precise right to refuse, the consequences of nonparticipation, and legal protection of resulting statements vary by jurisdiction and proceeding.


A signature provides limited evidence of understanding. Communication may need to be adapted for minors, individuals with intellectual or communication disabilities, people who are highly distressed, and nonnative English speakers. The psychologist should check actual comprehension and document important limitations.


Confidentiality, privacy, privilege, and disclosure


Confidentiality is a professional obligation concerning information acquired in the professional relationship. Legal privilege is an evidentiary protection defined by law. Privacy concerns how personal data are collected, stored, shared, and exposed. Their boundaries overlap but differ. In a forensic engagement, the evaluator may be expected to provide a report to specific parties or a court, and the examinee should understand those uses before sensitive information is collected.


The APA Ethics Code and forensic specialty guidelines address protecting information and explaining limits. Secure retention of files, limited access, careful electronic transmission, and attention to raw test materials are relevant responsibilities. A subpoena or order may affect disclosure duties, but its scope and the existence of privilege require jurisdiction-specific analysis.


An evaluator should clarify which communications are covered, what may become part of a report, who can authorize release, and how testimony could affect confidentiality. These are ethical and legal questions, not matters settled by the psychologist's personal preference.


Cultural fairness, language, and disability


Forensic methods must be interpreted in the context of the person being assessed. Language, disability, educational background, cultural meanings of distress, familiarity with testing, socioeconomic experience, and interview conditions can influence observed performance and reported experience. Differences between the evaluator and examinee can also shape what is asked, how behavior is perceived, and which explanations are considered.


The APA Multicultural Guidelines emphasize contextual understanding, while the assessment guidelines caution against assuming that norms and validity evidence transfer unchanged between populations. The APA 2026 Guidelines on Diagnosis of Intellectual Disability in Forensic Settings address language and cultural fairness in an especially consequential forensic setting.


Interpreters, accommodations, and translated measures can improve access, but an improvised translation is not equivalent to a test standardized for another language. A careful report describes accommodations, instrument limitations, potential measurement error, and the confidence warranted by the resulting information.


Response style, alleged malingering, and the limits of observation


Forensic psychologists sometimes assess inconsistent reporting or effort. Possible explanations include strategic exaggeration or minimization, memory limitations, fear, language barriers, fatigue, fluctuating illness, misunderstanding, cognitive impairment, or deliberately fabricated symptoms. The task requires reliable information and consideration of alternatives rather than reliance on demeanor or assumptions about motive.


Behavioral observation records conduct in a particular context. A validity score describes performance on a given measure. A clinical diagnosis addresses diagnostic criteria. A forensic opinion integrates multiple sources under a defined referral question. None of these categories automatically proves deception, malingering, dangerousness, or criminal guilt.


Examiners should avoid overstating the interpretive reach of screening measures and clearly document the conditions affecting testing. The relevant ethical duty is to make uncertainty and plausible competing explanations visible.


Incomplete records and limits of certainty


A psychologist may receive only one party's records, contradictory collateral accounts, an uncertain chronology, or no opportunity to examine the person directly. Such limitations affect how confident the opinion can be. An ethical report distinguishes first-person statements, documentary observations, allegations, test results, independent corroboration, and professional inference.


Data gathered for therapy may describe symptoms accurately while leaving a later legal question unanswered. Litigation records may emphasize disputed evidence selectively. The source's purpose and provenance matter. When crucial evidence is unavailable, the psychologist should describe what was sought, what was obtained, why the absence matters, and whether a narrower conclusion is warranted.


An explicit conclusion that the available evidence cannot resolve the question can be professionally strong. Forensic ethics requires the expert to recognize the boundary between justified inference and speculation.


Court reports, expert testimony, and reliable communication


A high-quality report identifies the referral question, relevant legal framework, methods, examination conditions, records reviewed, relevant findings, contradictions, possible alternative explanations, limitations, and bounded conclusions. The reader should be able to trace the reasoning from source material to a psycholegal opinion without guessing which information has been verified.


Testimony should accurately describe confidence and uncertainty. A statistical association should not be portrayed as an individual prediction, a diagnosis as an explanation of offending, a screening score as proof of guilt, or an expert recommendation as a binding judicial conclusion. Technical language should clarify methods rather than conceal their limits.


In US federal courts, Rule 702 sets an admissibility framework, including reliable application of methods to case facts. The judge's ruling on admissibility and the fact finder's final determination are legal actions. The psychologist's duty is to provide scientifically supportable information within the limits of professional competence.


Ethical duties across criminal, civil, family, and institutional practice


Criminal examinations, civil disability evaluations, guardianship questions, child custody matters, immigration-related evaluations, and correctional work can all involve forensic psychology. They share commitments to methodological care and fair treatment, but differ in their legal standards, data requirements, participants, confidentiality expectations, and consequences. A general ethical principle must be translated into each setting's actual referral question.


The APA's 2022 child-custody evaluation guidelines provide field-specific advice. The Civil Forensic Psychology and Criminal vs. Civil Forensic Psychology articles address those distinct intents. In correctional contexts, a psychologist may encounter overlap between treatment, institutional management, and forensic reporting; each role and its confidentiality limits require clarification.


Respect for examinees and the prevention of harm


A person subjected to a forensic examination may have limited choice because of detention, institutional rules, financial dependence, or a judicial directive. An ethically sound process explains the role, uses proportionate methods, protects dignity, and considers disability and language needs. Critical examination of evidence is compatible with respectful treatment.


The APA Ethics Code includes duties concerning harm and exploitation, while the specialty guidelines emphasize dignity, fairness, and responsible handling of sensitive information. When a psychologist lacks authority to change the legal conditions of participation, accurate information about the examination and its consequences remains essential.


Respectful procedures also strengthen evidentiary quality by reducing avoidable confusion and documenting conditions that could affect responses.


When a court order and an ethics obligation appear to conflict


A legal directive may require a service or disclosure that raises professional concerns. The evaluator must identify the directive's actual content and the applicable law. A request from one litigant is not necessarily an order, and a subpoena is not itself a universal answer to every question of privilege or scope.


Professional options may include clarifying the referral, seeking qualified consultation, requesting legal advice or judicial direction, limiting the work to a defensible question, and documenting relevant decisions. The APA Ethics Code and forensic guidelines inform the professional dimension, while the legal resolution belongs to the governing court and jurisdiction.


Documentation, consultation, and correction


Ethical conduct is made auditable by recording referral instructions, role disclosures, conflicts screening, methods, relevant instrument versions, significant evidence, rationales for interpretation, consultations, and reporting limitations. Good records enable later scrutiny of both the quality of the work and the reasons decisions were made.


Independent consultation can help identify overinterpretation, missed contradictory evidence, and cultural or methodological issues. Consultation must itself respect confidentiality and privilege. If a material error is found after reporting, the psychologist should use appropriate channels to correct it without concealing the fact that a revision occurred. Professional integrity includes accountability after the initial report.


Digital evidence, remote practice, and AI tools


Electronic records, remote interviews, transcription services, machine-generated summaries, and automated risk scoring introduce additional questions about confidentiality, security, accuracy, source provenance, and bias. An expert must verify quotations and factual claims produced by software and establish whether an automated score is valid for the individual, population, and decision context.


A 2025 review of artificial intelligence in forensic mental health surveys applications while raising concerns about data quality, transparency, representativeness, privacy, and accountability. A narrative review is not proof that a particular AI system is ready for a high-stakes forensic use. Technology does not replace the psychologist's responsibility to evaluate evidence and communicate uncertainty.


Case data submitted to external systems can create privacy and legal risks. Responsible deployment requires appropriate permissions, documented data handling, validation, and careful consideration of the consequences of erroneous output.


What the evidence establishes and what remains contested


Professional ethics guidance strongly supports role clarity, scientific competence, conflict screening, reasonable consent or notification procedures, privacy protection, and communication of limitations. Experimental research supports the existence of adversarial allegiance effects under studied conditions. Systematic reviews identify cognitive biases as an important research and quality-control problem.


The magnitude of bias and the effectiveness of particular countermeasures can vary across professional groups, instruments, legal settings, and study designs. A 2025 scoping review of forensic psychiatry discusses several biases and promising mitigation procedures, while emphasizing limitations in the available literature. Forensic-psychiatry evidence provides relevant context but cannot substitute for population-specific psychological validation.


Ethics guidelines express professional commitments, not guarantees that every individual conclusion will be accurate. The strongest approach links these commitments to auditable methods and realistic claims about what evidence can establish.


Example: the treating psychologist asked to become an independent expert


A psychologist has treated a person for several years. During a contested legal matter, counsel asks that psychologist to offer an independent expert opinion about legal capacity. The therapist has knowledge gained in a clinical relationship, but may also have obligations concerning patient welfare and confidentiality. The legal question may require independent collateral records, assessment of alternative explanations, and knowledge of jurisdiction-specific standards.


The psychologist should explain the potential conflict and consider whether a separate forensic evaluator is more appropriate. With proper authorization and legal safeguards, the treating professional may supply relevant factual or clinical information. If a court order creates unavoidable overlap, responsibilities and risks should be clarified and appropriate consultation obtained. The key is to prevent a relationship formed for care from becoming an undisclosed source of partisanship or harm.


Example: pressure to revise an unfavorable conclusion


An attorney or agency asks an evaluator to soften a report because it hurts the case. The evaluator should determine whether the request identifies factual errors, omitted evidence, or a genuinely incorrect application of a method. Such problems warrant examination and possible correction. A request based only on the desired litigation outcome provides no scientific reason to change the opinion.


The same principle applies to pressure to ignore inconsistent records, convert a risk factor into a causal explanation, or portray diagnostic status as evidence of wrongdoing. The ethical obligation is to report what the evidence supports within its limits, whichever side retained the professional.


Common misconceptions


An expert hired by one side is not necessarily dishonest, though financial and adversarial pressures require scrutiny. Impartiality also does not demand indecision; it demands fair methods and proportionate conclusions. Another misconception is that a signed consent form resolves every confidentiality or role conflict. Consent, privilege, legal authority, and the risk of harm are separate considerations.


A third misconception is that a risk score or diagnosis determines guilt, capacity, or legal responsibility. Psychometric results and clinical diagnoses answer different questions from the legal decision. Finally, professional seniority does not immunize a person from cognitive bias. Documented methods, conflicting evidence, consultation, and corrective procedures are more useful safeguards than unsupported claims of personal neutrality.


How to recognize ethically sound work


An ethically structured evaluation has a clear referral question, a defined professional role, understandable information for the examinee, suitable methods, and transparent evidence sources. It differentiates observations, reports, tests, diagnoses, predictions, expert inferences, and legal findings. It explains how contradictions were addressed and why missing information affects confidence.


It also documents relevant conflicts, accommodations, cultural and linguistic constraints, and foreseeable recipients of information. A well-founded report can identify what remains unknown and decline conclusions beyond the evidence. People undergoing assessment should understand who requested it and seek case-specific advice about legal rights from qualified counsel.


FAQ: Must a forensic psychologist be impartial?


Yes. Accuracy, fairness, and independence are central professional expectations. Retention by one party does not itself determine the opinion; relevant evidence and method must determine it. Legal consequences of misconduct and procedural remedies vary by jurisdiction.


FAQ: Can a therapist perform a forensic evaluation of their own patient?


Potentially conflicting therapeutic and forensic roles require careful scrutiny. Professional guidelines favor separating services where feasible and addressing the risks when unusual circumstances create overlap. A therapist's factual testimony about treatment may be possible without undertaking a comprehensive independent forensic assessment.


FAQ: Is a forensic examination confidential?


Confidentiality can apply, but foreseeable disclosures may be central to the referral. The evaluator should explain who commissioned the assessment, who may receive the report, and the limitations of privacy. Legal privilege is distinct and depends on jurisdiction and the procedural setting.


FAQ: Does a diagnosis establish dangerousness or criminal responsibility?


No. A clinical diagnosis is a clinical classification. Dangerousness and recidivism predictions are probabilistic matters requiring their own evidence, and criminal responsibility is a legal question tied to the relevant jurisdiction and facts. None can be inferred automatically from a diagnosis.


FAQ: Are forensic risk instruments infallible?


No. Predictive validity differs by outcome and sample, and calibration, population transportability, false positives, and false negatives matter. A risk estimate is not a verdict or a certainty about an individual's future behavior.


FAQ: How can an examinee understand the psychologist's role?


Ask who retained the psychologist, what legal or administrative question the assessment addresses, what procedures will be used, who will receive the results, what confidentiality limits apply, and what participation means under the relevant law. A psychologist should provide understandable information; legal rights and options require advice from qualified local counsel.


Related articles


Continue with Forensic Psychology: What It Is and What Forensic Psychologists Do, Psychology and Law: How Psychological Science Enters the Legal System, Forensic Psychological Assessment: Purpose, Methods, and Limits, and Civil Forensic Psychology: Psychological Assessment in Civil Legal Cases. These English Hub articles were verified as published before inclusion. Planned neighboring articles on therapy-versus-evaluation, confidentiality, informed consent, bias, and expert testimony remain future internal-link opportunities.


Related Articles




References


American Academy of Psychiatry and the Law. (2005). Ethics guidelines for the practice of forensic psychiatry. AAPL official resources.


American Psychological Association. (2013). Specialty guidelines for forensic psychology. American Psychologist, 68(1), 7–19. https://doi.org/10.1037/a0029889.


American Psychological Association. (2017). Ethical principles of psychologists and code of conduct (with amendments). Official APA code.


American Psychological Association. (2017). Multicultural guidelines: An ecological approach to context, identity, and intersectionality. Official APA guidance.


American Psychological Association. (2020). Guidelines for psychological assessment and evaluation. Official APA PDF.


American Psychological Association. (2022). Guidelines for child custody evaluations in family law proceedings. Official APA PDF.


American Psychological Association. (2026). Guidelines on diagnosis of intellectual disability in forensic settings. Official APA PDF.


Buongiorno, L., et al. (2025). Cognitive biases in forensic psychiatry: A scoping review. International Journal of Law and Psychiatry, 101, 102083. https://doi.org/10.1016/j.ijlp.2025.102083.


Cooper, G. S., & Meterko, V. (2019). Cognitive bias research in forensic science: A systematic review. Forensic Science International, 297, 35–46. https://doi.org/10.1016/j.forsciint.2019.01.016.


Federal Rule of Evidence 702. (Amended 2023). Testimony by expert witnesses. Rule and committee notes.


Murrie, D. C., Boccaccini, M. T., Guarnera, L. A., & Rufino, K. A. (2013). Are forensic experts biased by the side that retained them? Psychological Science, 24(10), 1889–1897. https://doi.org/10.1177/0956797613481812.


Neal, T. M. S., Lienert, P., Denne, E., & Singh, J. P. (2022). A general model of cognitive bias in human judgment and systematic review specific to forensic mental health. Law and Human Behavior, 46(2), 99–120. https://doi.org/10.1037/lhb0000482.


Olawade, D. B., et al. (2025). Artificial intelligence in forensic mental health: A review of applications and implications. Journal of Forensic and Legal Medicine, 113, 102895. https://doi.org/10.1016/j.jflm.2025.102895.

 
 
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