MA Psych Juris study materials
MA Psych Juris study resources

MA Psych Juris cheat sheet

MA Psych Juris · Keep the key ideas within reach.

Quick reference

Psychology and Law Foundations

  • Two-cultures distinction: psychology seeks general lawful regularities through empirical method; law seeks final, binding resolution of individual disputes through precedent and authority.

  • Daubert (1993) reliability factors: testability/falsifiability, known or potential error rate, peer review and publication, general acceptance, and standards controlling technique operation.

  • Frye rule (1923) admits evidence only if the technique is generally accepted in its relevant scientific field; Daubert superseded it in federal court and many states.

  • Federal Rule of Evidence 702 (as amended 2000) requires that testimony rest on sufficient facts or data and be the product of reliable principles and methods reliably applied.

  • General acceptance is only one Daubert factor; appellate courts review the admissibility ruling, not the scientific merits, for abuse of discretion (General Electric v. Joiner, 1997).

  • Bradford Hill viewpoints for causal inference: strength, consistency, specificity, temporality, biological gradient, plausibility, coherence, experiment, analogy.

  • Therapeutic jurisprudence examines whether laws and legal processes produce therapeutic or anti-therapeutic consequences, treating law itself as a social force.

  • Legal standards are binary and adjudicative; psychological constructs are dimensional and probabilistic, so translation between them is the central boundary problem of the field.

Quick reference

Research Methods and Statistics in Psychology-Law

  • Base-rate formula: PPV = (sensitivity x prevalence) / [(sensitivity x prevalence) + ((1 - specificity) x (1 - prevalence))].

  • Likelihood ratio = sensitivity / (1 - specificity); it converts pretest odds to posttest odds via Bayes' theorem (posterior odds = prior odds x LR).

  • Cohen's d benchmarks: 0.20 small, 0.50 medium, 0.80 large; r of .10, .30, .50 correspond to the same small/medium/large thresholds.

  • Statistical significance is sample-size dependent; report effect sizes and confidence intervals rather than relying on p < .05 alone.

  • Receiver operating characteristic (ROC) analysis plots true-positive rate against false-positive rate; area under the curve (AUC) of .50 is chance and 1.0 is perfect discrimination.

  • Interrater reliability indices: Cohen's kappa for two raters, Fleiss' kappa for more than two; kappa corrects agreement for chance.

  • Internal validity threats include selection, history, maturation, instrumentation, regression to the mean, attrition, and testing effects.

  • Survey research on legal populations must address sampling frame bias; incarcerated and adjudicated samples are non-representative convenience populations.

Quick reference

Forensic Assessment and Psychological Testing

  • Forensic assessment differs from therapeutic assessment: the client is the court or retaining party, the evaluee is not the client, and informed consent must state limits of confidentiality.

  • Miller Forensic Assessment of Symptoms Test (M-FAST) is a 25-item screen for feigned psychiatric symptoms; the Structured Interview of Reported Symptoms (SIRS, 2nd ed.) is the comprehensive feigning measure.

  • Test of Memory Malingering (TOMM) uses forced-choice visual recognition over two learning trials plus a retention trial; scores below cutoff suggest invalid effort.

  • Personality Assessment Inventory (PAI) and MMPI-2/MMPI-3 include validity scales (e.g., infrequency, defensiveness, inconsistency) that must be interpreted before clinical scales.

  • Competency assessment instruments include the MacArthur Competence Assessment Tool (MacCAT-CA, MacCAT-T) and the Evaluation of Competency to Stand Trial-Revised (ECST-R).

  • Risk instruments: HCR-20 (structured professional judgment), PCL-R (psychopathy, not a standalone risk tool), Static-99R (actuarial sexual recidivism), VRAG.

  • Psychopathy is not equivalent to antisocial personality disorder: PCL-R emphasizes affective/interpersonal traits (grandiosity, callousness, lack of remorse) beyond behavioral deviance.

  • Test selection must consider normative fit (age, gender, ethnicity, literacy), and forensic reports must state limits of the data and avoid ultimate-issue conclusions where prohibited.

Quick reference

Competency and Criminal Responsibility

  • Dusky v. United States (1960): defendant must have sufficient present ability to consult with counsel with a reasonable degree of rational understanding and a rational and factual understanding of the proceedings.

  • Competency is a present-state, functional inquiry; it is distinct from criminal responsibility, which is a retrospective inquiry at the time of the offense.

  • Four Dusky/MacCAT-CA prongs: understanding, appreciation, reasoning, and ability to communicate/consult with counsel.

  • M'Naghten test: at the time of the act, the defendant did not know the nature and quality of the act or did not know it was wrong.

  • ALI Model Penal Code test: lack of substantial capacity to appreciate wrongfulness or to conform conduct to law; federal law (Insanity Defense Reform Act 1984) uses a cognitive-only variant and places burden on the defendant by clear and convincing evidence.

  • Competency to be executed (Ford v. Wainwright, 1986; Panetti v. Quarterman, 2007) requires rational understanding of the reason for execution, not merely factual awareness.

  • Restoration typically involves antipsychotic medication; involuntary treatment of a competent defendant raises due-process concerns (Sell v. United States, 2003) requiring important government interests and medical appropriateness.

  • Competency is usually treated as a threshold legal question; evaluators provide data and opinions, but the court makes the final determination.

Quick reference

Civil Law and Psychological Injury

  • Tort damages categories: compensatory (economic and non-economic) and punitive; psychological injury claims typically involve negligent or intentional infliction of emotional distress.

  • Emotional distress claims require proof of severe distress; physical manifestations or corroborating evidence strengthen causation and damages.

  • Daubert/FRE 702 governs admissibility of expert psychological testimony on causation and damages in civil cases.

  • Malingering and symptom exaggeration are elevated in civil litigation contexts; use validity scales and structured symptom validity tests.

  • Workers' compensation and disability evaluations assess functional capacity and causation using the jurisdiction's impairment guides (e.g., AMA Guides).

  • Posttraumatic stress disorder requires exposure to actual or threatened death, serious injury, or sexual violence, plus intrusion, avoidance, negative cognition/mood, and arousal symptoms lasting more than one month.

  • Psychiatric injury in wrongful death and personal injury cases requires establishing the injury would not have occurred but for the defendant's conduct (but-for causation).

  • Informed consent doctrine in clinical and research contexts requires disclosure of material risks, benefits, alternatives, and the right to withdraw.

Quick reference

Child and Family Forensics

  • Best interests of the child standard governs custody; factors typically include stability, parental fitness, child's needs, and history of caregiving.

  • Child custody evaluations should use multiple methods (interviews, observations, collateral sources, records) and avoid recommendations beyond the data.

  • Allegations of child sexual abuse require forensic interviewing following a structured protocol (e.g., NICHD) that uses open-ended prompts and avoids suggestive questioning.

  • Children's suggestibility increases with repeated, leading, or coercive questioning; source-monitoring errors are common in preschool-aged children.

  • Termination of parental rights requires clear and convincing evidence of parental unfitness or harm (Santosky v. Kramer, 1982).

  • Parental alienation is a contested construct; courts increasingly require empirical support and caution against unsupported diagnoses.

  • Attachment theory informs parenting capacity evaluations, but attachment classifications are not direct measures of parenting fitness.

  • Guardians ad litem and child's counsel serve distinct roles; evaluators must clarify role boundaries to avoid role conflict.

Quick reference

Police and Investigative Psychology

  • Eyewitness identification: estimator variables (witness, perpetrator, event) affect accuracy; system variables (lineup procedure) are controllable by police.

  • Double-blind sequential lineups reduce false identifications relative to simultaneous lineups in many studies; the confidence-accuracy relationship is stronger when confidence is taken immediately.

  • Weapon focus, stress, cross-race effect, and post-event information degrade eyewitness accuracy.

  • Cognitive interview techniques: context reinstatement, report everything, reverse order, change perspective; they increase correct recall with modest increases in errors.

  • False confessions: voluntary, compliant, and internalized types; risk factors include lengthy interrogation, isolation, minimization, false evidence ploys, and juvenile or intellectually disabled status.

  • Reid technique emphasizes confrontation and minimization; PEACE model emphasizes information gathering and is used in the UK and increasingly elsewhere.

  • Geographic profiling and linkage analysis use crime scene patterns to estimate offender residence or connected series; they are investigative aids, not proof.

  • Police selection and fitness-for-duty evaluations assess psychological suitability, stress tolerance, and integrity using structured interviews and personality measures.

Quick reference

Correctional and Offender Psychology

  • Risk-need-responsivity (RNR) model: match service intensity to risk level, target criminogenic needs, and deliver services in a way responsive to learning style and motivation.

  • Central eight criminogenic needs: criminal history, antisocial personality pattern, antisocial cognition, antisocial associates, family/marital, school/work, leisure/recreation, substance abuse.

  • Risk assessment instruments: Level of Service Inventory-Revised (LSI-R), HCR-20, Static-99R, Violence Risk Appraisal Guide (VRAG).

  • Psychopathy (PCL-R) predicts institutional violence and recidivism but should not be used alone to justify indefinite detention.

  • Contingency management and cognitive-behavioral programs (e.g., Reasoning and Rehabilitation, Aggression Replacement Training) show modest reductions in recidivism.

  • Sex offender treatment often uses relapse prevention and CBT models; actuarial risk tools outperform unstructured clinical judgment.

  • Solitary confinement is associated with psychological deterioration; courts and professional bodies increasingly require limits and monitoring.

  • Therapeutic communities and medication-assisted treatment for substance use disorders reduce relapse in correctional settings.

Quick reference

Juvenile Justice and Developmental Issues

  • Juveniles show heightened impulsivity and susceptibility to peer influence and reduced future orientation; these developmental factors inform culpability.

  • Roper v. Simmons (2005) barred the death penalty for offenders under 18; Graham v. Florida (2010) barred life without parole for non-homicide juveniles.

  • Miller v. Alabama (2012) required individualized sentencing for juveniles facing life without parole; Montgomery v. Louisiana (2016) made Miller retroactive.

  • Competency to stand trial in juveniles must account for developmental immaturity, not just mental disorder.

  • Juvenile waiver/transfer to adult court should consider maturity, amenability to treatment, and developmental research.

  • Adolescent brain development: prefrontal cortex maturation continues into the mid-20s; reward-seeking peaks in adolescence.

  • Juvenile risk assessment tools include the Youth Level of Service/Case Management Inventory (YLS/CMI) and Structured Assessment of Violence Risk in Youth (SAVRY).

  • Status offenses (truancy, running away, curfew violations) are noncriminal behaviors unique to juvenile jurisdiction.

Quick reference

Ethics, Professional Standards, and Law

  • APA Ethics Code principles: beneficence and nonmaleficence, fidelity and responsibility, integrity, justice, and respect for people's rights and dignity.

  • Standard 3.05 (multiple relationships) prohibits relationships that could impair objectivity or exploit others; forensic roles create inherent conflicts with therapeutic roles.

  • Standard 4.02 requires informed consent for assessment; forensic evaluees must be told the purpose, limits of confidentiality, and who will receive the report.

  • Standard 9.01 requires that opinions be based on sufficient information and techniques; evaluators must state limits of their data.

  • Test security (Standard 9.11) prohibits releasing test materials to nonqualified persons; courts may order disclosure but protective orders should be requested.

  • Confidentiality exceptions: danger to self or others (Tarasoff duty to protect), child/elder abuse reporting, court order, and client waiver.

  • Forensic reports should distinguish observations, test data, and opinions, and avoid ultimate legal conclusions unless the jurisdiction permits them.

  • Continuing education and competence (Standard 2.01) require that psychologists practice only within their boundaries of competence.

Quick reference

Mental Health Law and Policy

  • Civil commitment generally requires mental disorder plus danger to self or others or grave disability; standards vary by state.

  • Involuntary commitment procedures must satisfy due process (Addington v. Texas, 1979) using at least clear and convincing evidence.

  • Right to treatment (Wyatt v. Stickney, 1972) established minimum standards for involuntary confinement facilities.

  • O'Connor v. Donaldson (1975): a state cannot confine a nondangerous person capable of surviving safely in freedom solely because of mental illness.

  • Least restrictive alternative doctrine requires consideration of less restrictive treatment settings before commitment.

  • Informed consent to treatment requires capacity, disclosure, and voluntariness; emergency doctrine permits treatment without consent when imminent harm exists.

  • Confidentiality of mental health records is protected by HIPAA and state law, with exceptions for court orders and safety.

  • Tarasoff v. Regents (1976) established a duty to protect identifiable third parties from a patient's serious threat of violence.

Quick reference

Psychology and Law Foundations

  • Two-cultures distinction: psychology seeks general lawful regularities through empirical method; law seeks final, binding resolution of individual disputes through precedent and authority.

  • Daubert (1993) reliability factors: testability/falsifiability, known or potential error rate, peer review and publication, general acceptance, and standards controlling technique operation.

  • Frye rule (1923) admits evidence only if the technique is generally accepted in its relevant scientific field; Daubert superseded it in federal court and many states.

  • Federal Rule of Evidence 702 (as amended 2000) requires that testimony rest on sufficient facts or data and be the product of reliable principles and methods reliably applied.

  • General acceptance is only one Daubert factor; appellate courts review the admissibility ruling, not the scientific merits, for abuse of discretion (General Electric v. Joiner, 1997).

  • Bradford Hill viewpoints for causal inference: strength, consistency, specificity, temporality, biological gradient, plausibility, coherence, experiment, analogy.

  • Therapeutic jurisprudence examines whether laws and legal processes produce therapeutic or anti-therapeutic consequences, treating law itself as a social force.

  • Legal standards are binary and adjudicative; psychological constructs are dimensional and probabilistic, so translation between them is the central boundary problem of the field.

Quick reference

Research Methods and Statistics in Psychology-Law

  • Base-rate formula: PPV = (sensitivity x prevalence) / [(sensitivity x prevalence) + ((1 - specificity) x (1 - prevalence))].

  • Likelihood ratio = sensitivity / (1 - specificity); it converts pretest odds to posttest odds via Bayes' theorem (posterior odds = prior odds x LR).

  • Cohen's d benchmarks: 0.20 small, 0.50 medium, 0.80 large; r of .10, .30, .50 correspond to the same small/medium/large thresholds.

  • Statistical significance is sample-size dependent; report effect sizes and confidence intervals rather than relying on p < .05 alone.

  • Receiver operating characteristic (ROC) analysis plots true-positive rate against false-positive rate; area under the curve (AUC) of .50 is chance and 1.0 is perfect discrimination.

  • Interrater reliability indices: Cohen's kappa for two raters, Fleiss' kappa for more than two; kappa corrects agreement for chance.

  • Internal validity threats include selection, history, maturation, instrumentation, regression to the mean, attrition, and testing effects.

  • Survey research on legal populations must address sampling frame bias; incarcerated and adjudicated samples are non-representative convenience populations.

Quick reference

Forensic Assessment and Psychological Testing

  • Forensic assessment differs from therapeutic assessment: the client is the court or retaining party, the evaluee is not the client, and informed consent must state limits of confidentiality.

  • Miller Forensic Assessment of Symptoms Test (M-FAST) is a 25-item screen for feigned psychiatric symptoms; the Structured Interview of Reported Symptoms (SIRS, 2nd ed.) is the comprehensive feigning measure.

  • Test of Memory Malingering (TOMM) uses forced-choice visual recognition over two learning trials plus a retention trial; scores below cutoff suggest invalid effort.

  • Personality Assessment Inventory (PAI) and MMPI-2/MMPI-3 include validity scales (e.g., infrequency, defensiveness, inconsistency) that must be interpreted before clinical scales.

  • Competency assessment instruments include the MacArthur Competence Assessment Tool (MacCAT-CA, MacCAT-T) and the Evaluation of Competency to Stand Trial-Revised (ECST-R).

  • Risk instruments: HCR-20 (structured professional judgment), PCL-R (psychopathy, not a standalone risk tool), Static-99R (actuarial sexual recidivism), VRAG.

  • Psychopathy is not equivalent to antisocial personality disorder: PCL-R emphasizes affective/interpersonal traits (grandiosity, callousness, lack of remorse) beyond behavioral deviance.

  • Test selection must consider normative fit (age, gender, ethnicity, literacy), and forensic reports must state limits of the data and avoid ultimate-issue conclusions where prohibited.

Quick reference

Competency and Criminal Responsibility

  • Dusky v. United States (1960): defendant must have sufficient present ability to consult with counsel with a reasonable degree of rational understanding and a rational and factual understanding of the proceedings.

  • Competency is a present-state, functional inquiry; it is distinct from criminal responsibility, which is a retrospective inquiry at the time of the offense.

  • Four Dusky/MacCAT-CA prongs: understanding, appreciation, reasoning, and ability to communicate/consult with counsel.

  • M'Naghten test: at the time of the act, the defendant did not know the nature and quality of the act or did not know it was wrong.

  • ALI Model Penal Code test: lack of substantial capacity to appreciate wrongfulness or to conform conduct to law; federal law (Insanity Defense Reform Act 1984) uses a cognitive-only variant and places burden on the defendant by clear and convincing evidence.

  • Competency to be executed (Ford v. Wainwright, 1986; Panetti v. Quarterman, 2007) requires rational understanding of the reason for execution, not merely factual awareness.

  • Restoration typically involves antipsychotic medication; involuntary treatment of a competent defendant raises due-process concerns (Sell v. United States, 2003) requiring important government interests and medical appropriateness.

  • Competency is usually treated as a threshold legal question; evaluators provide data and opinions, but the court makes the final determination.

Quick reference

Civil Law and Psychological Injury

  • Tort damages categories: compensatory (economic and non-economic) and punitive; psychological injury claims typically involve negligent or intentional infliction of emotional distress.

  • Emotional distress claims require proof of severe distress; physical manifestations or corroborating evidence strengthen causation and damages.

  • Daubert/FRE 702 governs admissibility of expert psychological testimony on causation and damages in civil cases.

  • Malingering and symptom exaggeration are elevated in civil litigation contexts; use validity scales and structured symptom validity tests.

  • Workers' compensation and disability evaluations assess functional capacity and causation using the jurisdiction's impairment guides (e.g., AMA Guides).

  • Posttraumatic stress disorder requires exposure to actual or threatened death, serious injury, or sexual violence, plus intrusion, avoidance, negative cognition/mood, and arousal symptoms lasting more than one month.

  • Psychiatric injury in wrongful death and personal injury cases requires establishing the injury would not have occurred but for the defendant's conduct (but-for causation).

  • Informed consent doctrine in clinical and research contexts requires disclosure of material risks, benefits, alternatives, and the right to withdraw.

Quick reference

Child and Family Forensics

  • Best interests of the child standard governs custody; factors typically include stability, parental fitness, child's needs, and history of caregiving.

  • Child custody evaluations should use multiple methods (interviews, observations, collateral sources, records) and avoid recommendations beyond the data.

  • Allegations of child sexual abuse require forensic interviewing following a structured protocol (e.g., NICHD) that uses open-ended prompts and avoids suggestive questioning.

  • Children's suggestibility increases with repeated, leading, or coercive questioning; source-monitoring errors are common in preschool-aged children.

  • Termination of parental rights requires clear and convincing evidence of parental unfitness or harm (Santosky v. Kramer, 1982).

  • Parental alienation is a contested construct; courts increasingly require empirical support and caution against unsupported diagnoses.

  • Attachment theory informs parenting capacity evaluations, but attachment classifications are not direct measures of parenting fitness.

  • Guardians ad litem and child's counsel serve distinct roles; evaluators must clarify role boundaries to avoid role conflict.

Quick reference

Police and Investigative Psychology

  • Eyewitness identification: estimator variables (witness, perpetrator, event) affect accuracy; system variables (lineup procedure) are controllable by police.

  • Double-blind sequential lineups reduce false identifications relative to simultaneous lineups in many studies; the confidence-accuracy relationship is stronger when confidence is taken immediately.

  • Weapon focus, stress, cross-race effect, and post-event information degrade eyewitness accuracy.

  • Cognitive interview techniques: context reinstatement, report everything, reverse order, change perspective; they increase correct recall with modest increases in errors.

  • False confessions: voluntary, compliant, and internalized types; risk factors include lengthy interrogation, isolation, minimization, false evidence ploys, and juvenile or intellectually disabled status.

  • Reid technique emphasizes confrontation and minimization; PEACE model emphasizes information gathering and is used in the UK and increasingly elsewhere.

  • Geographic profiling and linkage analysis use crime scene patterns to estimate offender residence or connected series; they are investigative aids, not proof.

  • Police selection and fitness-for-duty evaluations assess psychological suitability, stress tolerance, and integrity using structured interviews and personality measures.

Quick reference

Correctional and Offender Psychology

  • Risk-need-responsivity (RNR) model: match service intensity to risk level, target criminogenic needs, and deliver services in a way responsive to learning style and motivation.

  • Central eight criminogenic needs: criminal history, antisocial personality pattern, antisocial cognition, antisocial associates, family/marital, school/work, leisure/recreation, substance abuse.

  • Risk assessment instruments: Level of Service Inventory-Revised (LSI-R), HCR-20, Static-99R, Violence Risk Appraisal Guide (VRAG).

  • Psychopathy (PCL-R) predicts institutional violence and recidivism but should not be used alone to justify indefinite detention.

  • Contingency management and cognitive-behavioral programs (e.g., Reasoning and Rehabilitation, Aggression Replacement Training) show modest reductions in recidivism.

  • Sex offender treatment often uses relapse prevention and CBT models; actuarial risk tools outperform unstructured clinical judgment.

  • Solitary confinement is associated with psychological deterioration; courts and professional bodies increasingly require limits and monitoring.

  • Therapeutic communities and medication-assisted treatment for substance use disorders reduce relapse in correctional settings.

Quick reference

Juvenile Justice and Developmental Issues

  • Juveniles show heightened impulsivity and susceptibility to peer influence and reduced future orientation; these developmental factors inform culpability.

  • Roper v. Simmons (2005) barred the death penalty for offenders under 18; Graham v. Florida (2010) barred life without parole for non-homicide juveniles.

  • Miller v. Alabama (2012) required individualized sentencing for juveniles facing life without parole; Montgomery v. Louisiana (2016) made Miller retroactive.

  • Competency to stand trial in juveniles must account for developmental immaturity, not just mental disorder.

  • Juvenile waiver/transfer to adult court should consider maturity, amenability to treatment, and developmental research.

  • Adolescent brain development: prefrontal cortex maturation continues into the mid-20s; reward-seeking peaks in adolescence.

  • Juvenile risk assessment tools include the Youth Level of Service/Case Management Inventory (YLS/CMI) and Structured Assessment of Violence Risk in Youth (SAVRY).

  • Status offenses (truancy, running away, curfew violations) are noncriminal behaviors unique to juvenile jurisdiction.

Quick reference

Ethics, Professional Standards, and Law

  • APA Ethics Code principles: beneficence and nonmaleficence, fidelity and responsibility, integrity, justice, and respect for people's rights and dignity.

  • Standard 3.05 (multiple relationships) prohibits relationships that could impair objectivity or exploit others; forensic roles create inherent conflicts with therapeutic roles.

  • Standard 4.02 requires informed consent for assessment; forensic evaluees must be told the purpose, limits of confidentiality, and who will receive the report.

  • Standard 9.01 requires that opinions be based on sufficient information and techniques; evaluators must state limits of their data.

  • Test security (Standard 9.11) prohibits releasing test materials to nonqualified persons; courts may order disclosure but protective orders should be requested.

  • Confidentiality exceptions: danger to self or others (Tarasoff duty to protect), child/elder abuse reporting, court order, and client waiver.

  • Forensic reports should distinguish observations, test data, and opinions, and avoid ultimate legal conclusions unless the jurisdiction permits them.

  • Continuing education and competence (Standard 2.01) require that psychologists practice only within their boundaries of competence.

Quick reference

Mental Health Law and Policy

  • Civil commitment generally requires mental disorder plus danger to self or others or grave disability; standards vary by state.

  • Involuntary commitment procedures must satisfy due process (Addington v. Texas, 1979) using at least clear and convincing evidence.

  • Right to treatment (Wyatt v. Stickney, 1972) established minimum standards for involuntary confinement facilities.

  • O'Connor v. Donaldson (1975): a state cannot confine a nondangerous person capable of surviving safely in freedom solely because of mental illness.

  • Least restrictive alternative doctrine requires consideration of less restrictive treatment settings before commitment.

  • Informed consent to treatment requires capacity, disclosure, and voluntariness; emergency doctrine permits treatment without consent when imminent harm exists.

  • Confidentiality of mental health records is protected by HIPAA and state law, with exceptions for court orders and safety.

  • Tarasoff v. Regents (1976) established a duty to protect identifiable third parties from a patient's serious threat of violence.