ABPP Forensic Psychology study materials
ABPP Forensic Psychology study resources

ABPP Forensic Psychology key terms

ABPP Forensic Psychology · Get comfortable with the vocabulary.

Daubert standard

A legal test for admitting expert testimony that asks whether the method is testable, has been peer reviewed, has a known error rate, and is generally accepted in its field.

Related: Frye standard, General acceptance, Expert witness
Frye standard

An older admissibility rule holding that expert testimony must rest on methods generally accepted by the relevant scientific community; still used in some jurisdictions.

Related: Daubert standard, General acceptance
General acceptance

The degree to which a technique or theory is endorsed by the relevant professional community; one factor courts weigh when screening expert evidence.

Related: Frye standard, Daubert standard
Expert witness

A person permitted to offer opinion testimony because specialized knowledge will help the fact finder understand evidence or determine a fact in issue.

Related: Ultimate issue testimony, Daubert standard
Ultimate issue testimony

Opinion that speaks directly to a question the judge or jury must decide, such as whether a defendant is competent or dangerous.

Related: Expert witness, Ultimate opinion prohibition
Ultimate opinion prohibition

A rule in some jurisdictions barring experts from stating conclusions on the precise legal question reserved for the trier of fact.

Related: Ultimate issue testimony
Competence to stand trial

A defendant's present ability to understand the proceedings and to assist counsel with a reasonable degree of rational understanding.

Related: Dusky standard, Restoration to competence
Dusky standard

The constitutional benchmark requiring that a defendant have sufficient present ability to consult with counsel and a rational as well as factual understanding of the proceedings.

Related: Competence to stand trial, Restoration to competence
Restoration to competence

Treatment or education, often in a secure facility, aimed at helping an incompetent defendant become fit to proceed; raises questions about medication over objection.

Related: Competence to stand trial, Involuntary medication
Involuntary medication

Administering psychiatric medication without consent, permitted in limited circumstances to restore trial competence or address dangerousness under constitutional limits.

Related: Restoration to competence, Informed consent
Informed consent

Agreement to evaluation or treatment given after disclosure of purpose, procedures, risks, benefits, alternatives, and limits of confidentiality, made voluntarily by a capable person.

Related: Involuntary medication, Therapeutic jurisprudence
Insanity defense

A plea that a defendant lacked criminal responsibility because of a severe mental disorder at the time of the offense, judged by a jurisdiction-specific legal test.

Related: M'Naghten test, Model Penal Code standard, Competence to stand trial
M'Naghten test

A criminal responsibility rule excusing a defendant who, because of mental disease, did not know the nature of the act or that it was wrong.

Related: Insanity defense, Model Penal Code standard
Model Penal Code standard

A responsibility test excusing conduct when mental disease substantially impaired the capacity to appreciate wrongfulness or to conform behavior to law.

Related: Insanity defense, M'Naghten test
Criminal responsibility evaluation

A retrospective forensic assessment of a defendant's mental state at the time of an offense, addressing whether a legal excuse applies.

Related: Insanity defense, Competence to stand trial
Risk assessment

A structured process for estimating the likelihood of future violence or reoffending, combining actuarial tools, clinical judgment, and case-specific information.

Related: Actuarial prediction, Structured professional judgment, Base rate
Actuarial prediction

Forecasting risk by applying a fixed, empirically derived formula to scored risk factors, yielding a probability estimate rather than a narrative opinion.

Related: Risk assessment, Structured professional judgment, Base rate
Structured professional judgment

An approach that guides evaluators through defined risk factors and rules for combining them while allowing documented clinical judgment about individual cases.

Related: Risk assessment, Actuarial prediction
Base rate

The frequency of a condition or event in a given population, which strongly shapes how often a positive test result is actually correct.

Related: Risk assessment, Sensitivity and specificity
Sensitivity and specificity

Two properties of a test: sensitivity is the share of true cases correctly detected, and specificity is the share of noncases correctly ruled out.

Related: Base rate, Actuarial prediction
Malingering

The intentional production or exaggeration of symptoms for an external incentive such as avoiding prosecution, obtaining compensation, or securing medication.

Related: Feigning, Response bias
Feigning

The deliberate fabrication or exaggeration of symptoms, which may serve external or internal goals; evaluators must establish intent before labeling it malingering.

Related: Malingering, Response bias, Validity scale
Response bias

A systematic tendency in responding that distorts test results, such as overreporting, underreporting, or random answering, and must be assessed in forensic testing.

Related: Validity scale, Malingering
Validity scale

A set of test items or indices designed to detect distorted responding, such as exaggeration, denial, or inconsistent answers, within a psychological measure.

Related: Response bias, Feigning
Psychopathy

A personality pattern marked by callous affect, grandiosity, manipulativeness, impulsivity, and shallow emotion, measured by instruments such as the PCL-R.

Related: Risk assessment, Antisocial personality disorder
Antisocial personality disorder

A persistent pattern of disregard for and violation of others' rights, diagnosed from conduct history and adult traits, distinct from but overlapping with psychopathy.

Related: Psychopathy, Risk assessment
Therapeutic jurisprudence

A perspective examining how legal rules and proceedings affect psychological well-being, used to design problem-solving courts and treatment-oriented dispositions.

Related: Problem-solving court, Informed consent
Problem-solving court

A specialized docket, such as drug or mental health court, that combines judicial supervision with treatment and monitoring instead of traditional adjudication.

Related: Therapeutic jurisprudence, Recidivism
Recidivism

Rearrest, reconviction, or reincarceration after release or intervention; a common outcome measure in forensic treatment and risk research.

Related: Risk assessment, Problem-solving court
Civil commitment

Involuntary hospitalization based on mental disorder plus dangerousness or grave disability, decided through a legal process rather than criminal sentencing.

Related: Sexually violent predator commitment, Risk assessment
Sexually violent predator commitment

A form of indefinite civil confinement after prison for people found to have a mental abnormality predisposing them to sexual violence.

Related: Civil commitment, Risk assessment
Dual role

Combining therapeutic and forensic functions, such as treating a patient and evaluating the same person for a court, which creates conflicts of interest.

Related: Informed consent, Forensic ethics
Forensic ethics

Professional standards governing forensic work, including objectivity, honesty about limits, avoidance of conflicts, and clarity about who the client is.

Related: Dual role, Informed consent
Testamentary capacity

The legal ability to make a valid will, requiring that the person know the estate, natural heirs, and the act of disposing of property.

Related: Competence to stand trial, Guardianship evaluation
Guardianship evaluation

An assessment of whether an adult lacks capacity to manage personal or financial affairs, supporting a court's appointment of a substitute decision maker.

Related: Testamentary capacity, Informed consent
Child custody evaluation

A forensic assessment of parenting capacity, child needs, and family functioning to inform a court's determination of the child's best interests.

Related: Best interests standard, Dual role
Best interests standard

The legal principle guiding custody and related decisions by weighing factors that promote a child's safety, stability, and well-being.

Related: Child custody evaluation
Hearsay

An out-of-court statement offered to prove the truth of its content, generally inadmissible subject to exceptions that often matter in forensic reports.

Related: Expert witness, Ultimate issue testimony
Privilege

A legal protection allowing a person to refuse to disclose confidential communications, such as therapist-patient exchanges, subject to jurisdiction-specific exceptions.

Related: Informed consent, Dual role
Confidentiality

The ethical duty to protect information shared in a professional relationship, limited in forensic contexts by court orders, safety concerns, and the evaluator's role.

Related: Privilege, Informed consent