Memory and Behavior Problem Checklist (MBPC)

Abstract

The Memory and Behavior Problem Checklist (MBPC) is a foundational clinical and research assessment tool designed to evaluate the presence, frequency, and caregiver appraisal of behavioral and cognitive disturbances in individuals diagnosed with dementia, including Alzheimer’s disease and related neurocognitive disorders. Originally developed by Steven H. Zarit and colleagues in 1980 and expanded in subsequent editions (Zarit, Orr, & Zarit, 1985; Zarit & Zarit, 1990), the instrument operates via a dual-rating paradigm that concurrently assesses (1) the observable objective frequency of specific patient neuropsychiatric and cognitive symptoms and (2) the subjective emotional distress or burden experienced by the primary caregiver in reaction to each problem behavior. The full original inventory comprises 32 behavior and memory items, complemented by functional assessment modules covering Basic and Instrumental Activities of Daily Living (ADLs). In the behavioral inventory, frequency is evaluated across a differentiated ordinal rating scale ranging from 0 (“never occurred”) to 5 (“occurs daily or more often”), alongside a clinical contingency code (7) indicating behaviors prevented solely via continuous supervision. Caregiver reactions are systematically captured across a 5-point Likert scale spanning 0 (“not at all”) to 4 (“extremely”). Across decades of clinical trials and psychometric investigations, the MBPC and its structural refinements, such as the Revised Memory and Behavior Problems Checklist (RMBPC; Teri et al., 1992), have demonstrated robust psychometric integrity, including high internal consistency (Cronbach’s alpha coefficients typically ranging from .75 to .90 across subscales), established convergent validity with cognitive screening instruments (e.g., Mini-Mental State Examination) and depression inventories (e.g., Geriatric Depression Scale), and profound sensitivity to psychosocial and pharmacological interventions. This comprehensive profile outlines the conceptual foundations, factor structure, administration mechanics, psychometric characteristics, and clinical utility of the MBPC in neurogeriatric healthcare.

Keywords

Memory and Behavior Problem Checklist, MBPC, caregiver burden, dementia, Alzheimer’s disease, behavioral and psychological symptoms of dementia, BPSD, Zarit Burden Interview, neurocognitive disorders, gerontology, psychometrics, caregiver distress, informal caregiving

Authors

The primary architects of the original Memory and Behavior Problem Checklist are:

• Steven H. Zarit, Ph.D. — Distinguished Professor Emeritus of Human Development and Family Studies at The Pennsylvania State University, University Park, PA, USA. Dr. Zarit is globally renowned for pioneering clinical models of caregiver stress, the multidimensional appraisal of family care, and the development of gold-standard assessment instruments including the Zarit Burden Interview (ZBI).
• Judy M. Zarit, Ph.D. — Clinical Psychologist and Gerontologist, recognized for extensive clinical work and research publications on psychological interventions, family systems management, and mental health assessment in geriatric populations.
• Nancy K. Orr, M.S.W. — Clinical Social Worker and gerontological researcher, co-author of foundational manuals on supporting family caregivers navigating the cognitive and functional deterioration of Alzheimer’s disease.

Prominent methodological refinements to the instrument, culminating in the standardized Revised Memory and Behavior Problems Checklist (RMBPC), were conducted by Linda Teri, Ph.D. (University of Washington), Peter Truax, Ph.D., Rebecca G. Logsdon, Ph.D., Jay M. Uomoto, Ph.D., and Peter P. Vitaliano, Ph.D.

Purpose

Caring for an older adult with neurodegenerative decline represents one of the most arduous and prolonged stressors in informal healthcare. Historically, clinical assessments relied heavily on generalized global cognitive tests administered exclusively to the patient. However, such clinical cognitive batteries frequently failed to capture the wide spectrum of everyday neuropsychiatric manifestations and executive failures that emerge within home environments. The Memory and Behavior Problem Checklist (MBPC) was engineered to bridge this critical diagnostic and therapeutic gap by providing a standardized, ecologically valid assessment of everyday cognitive deficits, behavioral problems, and their direct psychological repercussions on the primary caregiver.

The primary clinical and research purposes of the MBPC encompass several distinct imperatives:

• Quantifying Behavioral and Psychological Symptoms of Dementia (BPSD): The instrument captures fine-grained observable frequencies of repetitive questioning, spatial disorientation, night wandering, emotional lability, verbal agitation, aggressive outbursts, and hallucinations. It distinguishes isolated historical occurrences from acute, persistent daily disruptions.
• Decoupling Objective Manifestations from Subjective Caregiver Strain: A core theoretical and diagnostic rationale of the MBPC is that the objective frequency of a dementia-related problem does not always correlate linearly with the subjective distress experienced by the family caregiver. By implementing an explicit dual-rating system — evaluating symptom occurrence independently from caregiver emotional reaction — clinicians can determine whether caregiver distress stems from an overwhelming volume of behavioral disruptions or from specific vulnerability factors, catastrophic appraisals, or lack of coping resources.
• Guiding Tailored Psychosocial and Psychoeducational Interventions: Clinicians utilize the profile of caregiver reaction scores to pinpoint precisely which behaviors trigger the most acute burden (e.g., urinary incontinence, paranoia, or sleep disruption). Interventions can then focus selectively on psychoeducation, environmental modifications, or behavioral management strategies targeting those highest-distress behaviors.
• Monitoring Pharmacological and Non-Pharmacological Treatment Outcomes: The MBPC serves as a responsive longitudinal outcome measure in clinical drug trials (e.g., cholinesterase inhibitors, atypical antipsychotics) and non-pharmacological caregiver interventions (e.g., cognitive-behavioral coping therapies, adult day care respite services). Changes over time illuminate whether treatment reduces symptom manifestation, mitigates caregiver emotional burden, or both.

Psychological Construct

The Memory and Behavior Problem Checklist measures a multifaceted domain broadly categorized under the umbrella of Behavioral and Psychological Symptoms of Dementia (BPSD) paired with subjective caregiver appraisal. Dementia is characterized not merely by progressive amnestic deficits, but by widespread neurobiological disruptions in frontotemporal and subcortical neural circuits regulating emotion, impulse control, sleep architecture, and executive functioning. The MBPC organizes these clinical manifestations into three core psychological and behavioral constructs, assessed alongside functional capacity and caregiver emotional reactivity:

1. Memory and Cognitive Executive Problems

This dimension operationalizes the everyday cognitive breakdowns experienced by the individual. It transcends abstract laboratory cognitive indices by evaluating behavioral manifestations directly observable by family members. Core behaviors include repetitive questioning (asking the same question repeatedly due to rapid short-term memory decay), episodic memory failures regarding recent events (forgetting conversations or television programs), temporal disorientation (forgetting the day, month, or year), and spatial disorientation (inability to navigate indoors or in familiar outdoor environments). Additionally, it captures executive control deficits, such as the inability to initiate self-directed activities, losing items, and mixing up historical eras (e.g., believing deceased family members are still alive).

2. Depressive and Affective Symptoms

Neurodegenerative disorders frequently co-occur with affective dysregulation, apathy, and dysphoria. The MBPC evaluates overt signs of psychological distress and depression manifested by the patient. Observed indices include appearing persistently sad or depressed, exhibiting excessive anxiety or somatic worry, weeping, profound apathy (spending long periods inactive), and expressing feelings of worthlessness, hopelessness, or life fatigue. Assessing depressive symptoms within this framework is critical, as untreated affective disturbances in dementia accelerate functional decline, amplify caregiver distress, and diminish overall quality of life.

3. Disruptive and Agitative Behaviors

This construct captures externalizing, disruptive, and challenging behaviors that directly destabilize household equilibrium and jeopardize safety. Manifestations range from motor restlessness and constant agitation to verbal combativeness, shouting, property destruction, unprovoked physical aggression, suspiciousness, and persecutory delusions (e.g., accusing caregivers of theft). It also encompasses disinhibited or socially embarrassing public actions, dangerous wandering, and persistent nocturnal awakenings that fragment caregiver sleep patterns.

4. Functional Independence (Activities of Daily Living)

The original MBPC structure acknowledges that behavioral disruptions do not occur in an environmental vacuum; rather, they intersect with deteriorating physical and instrumental independence. The supplementary activities module examines self-care capabilities (eating, dressing, bathing, toileting, medication administration, and grooming) to quantify the level of physical caregiving required, ranging from independent functioning to complete physical dependence.

5. Caregiver Subjective Reaction (Appraisal of Distress)

Crucially, the MBPC treats subjective caregiver distress not as an automatic byproduct of patient pathology, but as an independent cognitive appraisal construct. For every identified behavioral or functional deficit, the caregiver reports the magnitude of their personal upset, anxiety, or anger on a 5-point scale. This appraisal construct captures the emotional cost of caregiving, reflecting the caregiver’s coping repertoire, boundary maintenance, emotional resilience, and neurobiological stress reactivity.

Theoretical Framework

The architecture of the Memory and Behavior Problem Checklist is grounded in two primary theoretical paradigms: the Transactional Model of Stress and Coping formulated by Richard S. Lazarus and Susan Folkman (1984), and the Gerontological Caregiver Stress Process Model synthesized by Leonard Pearlin and colleagues (1990).

The Transactional Stress and Coping Model

Lazarus and Folkman posited that psychological stress is not an inherent property of an external environmental event (the stressor), but rather emerges from a dynamic transaction between the individual and their environment. Stress occurs when an individual evaluates a stimulus as taxing or exceeding their personal resources, endangering their well-being. This process involves two core cognitive appraisals:

• Primary Appraisal: The caregiver perceives and categorizes the patient’s behavior (e.g., “My husband is accusing me of stealing his wallet”). The caregiver assesses whether the event is benign, irrelevant, or threatening to their emotional or physical integrity.
• Secondary Appraisal: The caregiver evaluates their available coping mechanisms, external support systems, and internal stamina to handle the situation.

The MBPC directly reflects this transactional model by splitting its assessment into objective occurrence (the objective primary stressor) and caregiver reaction (the cognitive-emotional secondary appraisal). Two caregivers facing identical behavioral frequencies (e.g., catastrophic emotional outbursts occurring three times weekly) may report diametrically opposed reaction scores based on differing attribution styles, personal coping reserves, and social support buffers.

Pearlin’s Caregiver Stress Process Framework

Leonard Pearlin’s stress process paradigm stratifies caregiving dynamics into four interrelated domains: background and context, primary stressors, secondary stressors, and psychological outcomes. Within this paradigm:

• Objective Primary Stressors: Represented by the direct cognitive deficits, functional limitations, and behavioral aberrations of the care recipient (measured by the MBPC frequency scales).
• Subjective Primary Stressors: Represented by the caregiver’s experienced distress and subjective overload directly elicited by those demands (captured by the MBPC reaction scales).
• Secondary Stressors: Strains within family relationships, social isolation, and occupational disruption that develop downstream.
• Outcomes: Clinical depression, generalized anxiety, physical immune exhaustion, and institutionalization of the patient.

By capturing primary objective and primary subjective stressors simultaneously, the MBPC operationalizes the foundational nexus of Pearlin’s stress framework, serving as an empirical bridge between empirical gerontological theory and concrete clinical practice.

Validity

The validity of the Memory and Behavior Problem Checklist has been rigorously documented across four decades of empirical investigations involving diverse clinical, community, and cross-cultural cohorts.

Construct and Convergent Validity

Convergent validity has been repeatedly corroborated by benchmarking the MBPC against standardized psychiatric and neuropsychological instruments. Zarit et al. (1980, 1985) demonstrated that the MBPC memory subscales correlate significantly with objective cognitive assessments, such as the Mini-Mental State Examination (MMSE) (correlations typically ranging between r = -.45 and r = -.62, p < .001), indicating that greater observed memory problems on the checklist reliably reflect objective neuropathological and cognitive impairment. In parallel, the MBPC depression items exhibit robust positive correlations with validated affective screening tools, including the Geriatric Depression Scale (GDS) (r = .52 to .68) and the Hamilton Depression Rating Scale (HDRS).

Concurrent Validity with Caregiver Well-Being

The caregiver reaction dimension demonstrates exceptional concurrent validity when analyzed alongside global measures of caregiver burden and psychological morbidity. Reaction scores correlate strongly with the Zarit Burden Interview (ZBI) (r values typically exceeding .60, p < .001) and with caregiver depressive symptomatology assessed via the Center for Epidemiologic Studies Depression Scale (CES-D) (r = .45 to .58). Interestingly, empirical studies demonstrate that caregiver reaction scores correlate substantially higher with caregiver psychological distress than the objective patient frequency scores alone, validating the theoretical premise that subjective appraisal mediates clinical outcomes.

Discriminant and Known-Groups Validity

The MBPC exhibits strong discriminant validity by successfully differentiating between clinical diagnostic categories. In validation studies, community-dwelling non-demented older adults score near floor levels on disruptive behaviors, whereas patients diagnosed with probable Alzheimer’s disease, vascular dementia, or frontotemporal lobar degeneration exhibit distinct, statistically elevated profiles. Furthermore, clinical trials demonstrate known-groups differentiation across dementia stages: mild dementia cohorts display elevated memory items with low disruption scores, whereas moderate-to-severe dementia cohorts display high frequencies across disruption, restlessness, and functional dependence items.

Predictive and Ecological Validity

Longitudinal research indicates that MBPC scores possess high predictive validity regarding institutional placement and caregiver breakdown. Caregiver reaction ratings for disruptive behaviors (particularly wandering, sleep interruption, and verbal/physical combativeness) emerge as powerful longitudinal predictors of nursing home admission, independent of the patient’s absolute MMSE cognitive score. Elevated baseline reaction scores also prospectively predict worsening physical health and cardiovascular strain among family caregivers over 12- and 24-month follow-up intervals.

Reliability

The psychometric reliability of the Memory and Behavior Problem Checklist has been evaluated comprehensively across parameters of internal consistency, test-retest stability, and inter-rater reliability.

Internal Consistency

Across validation cohorts, the total frequency and reaction scales demonstrate high internal consistency. In initial psychometric appraisals of the MBPC by Zarit and Zarit (1990), Cronbach’s alpha coefficients for the full 32-item behavioral frequency dimension exceeded .80 (ranging from .82 to .88 across diverse dementia caregiver cohorts). The caregiver reaction scale achieved comparable internal consistency, with alpha coefficients regularly spanning .85 to .91.

In the psychometric evaluation of the standardized 24-item Revised version (RMBPC) conducted by Teri et al. (1992), alpha coefficients were computed across subscales:

• Total Score: α = .84 for Patient Frequency; α = .90 for Caregiver Reaction.
• Memory Problems: α = .87 for Frequency; α = .89 for Reaction.
• Depressive Behaviors: α = .78 for Frequency; α = .80 for Reaction.
• Disruptive Behaviors: α = .67 for Frequency; α = .74 for Reaction.

Test-Retest Reliability

Temporal stability assessments have confirmed that the MBPC yields consistent measurements when administered over short intervals during which patient neurological status remains clinically stable. Test-retest reliability coefficients over a 1-to-2-week retest interval typically range between r = .75 and r = .86 for behavioral frequencies, and between r = .68 and r = .81 for caregiver emotional reactions. These values indicate that while day-to-day fluctuations occur, the instrument reliably reflects stable underlying behavioral tendencies and coping reactions.

Inter-Rater Reliability

When multiple collateral informants (e.g., primary spouse caregiver versus secondary adult-child caregiver) or trained clinical interviewers evaluate the same patient, inter-rater reliability coefficients for the objective behavioral frequency scores range from .70 to .83 (intraclass correlation coefficient [ICC] > .72). Discrepancies between raters occur primarily within the caregiver reaction scores, which is theoretically anticipated because subjective distress varies as a function of the individual informant’s relationship, residence status, and unique coping repertoire.

Factor Analysis

The underlying dimensionality of the MBPC has been scrutinized using both Exploratory Factor Analysis (EFA) and Confirmatory Factor Analysis (CFA) to clarify the psychological architecture of neurobehavioral disruptions.

Exploratory Factor Analyses of the Original 32-Item MBPC

Early factor analytic studies of Zarit’s 32-item pool revealed a complex multidimensional structure reflecting cognitive failures, emotional distress, disruptive conduct, and dependency. Principal components analysis with varimax rotation routinely produced factors explaining between 45% and 55% of the total variance. Key latent constructs identified included:

• Cognitive and Amnestic Disorientation: Strong factor loadings (> .60) for items capturing repetitive questioning, misplacing items, getting lost, and failing to recognize familiar people or objects.
• Agitation and Externalizing Disruptiveness: Distinct loadings for hitting, striking out, property destruction, unprovoked anger, and nocturnal restlessness.
• Affective and Withdrawn Symptoms: Loadings on depressed mood, anxiety, crying, and prolonged inactivity.

Confirmatory Factor Analysis and the 3-Factor Model (Teri et al., 1992)

To eliminate psychometrically unstable and redundant items, Teri and colleagues (1992) conducted rigorous confirmatory factor analyses on the inventory, resulting in the widely adopted 24-item three-factor structure. CFA demonstrated that a correlated three-factor first-order model fit the empirical data significantly better than a single unidimensional construct or orthogonal models:

• Factor 1: Memory-Related Problems (7 items): Encompasses items 1 through 7 (e.g., repetitive questions, recent/past memory loss, misplacing items, disorientation, starting but not finishing tasks, difficulty concentrating). Standardized factor loadings range from .52 to .81.
• Factor 2: Depressive Symptoms (9 items): Encompasses items 12, 14, and 17 through 23 (e.g., appearing anxious, threats of self-harm, depressed affect, crying, statements of worthlessness, hopelessness, loneliness, and failure). Standardized factor loadings range from .48 to .76.
• Factor 3: Disruptive Behaviors (8 items): Encompasses items 8 through 11, 13, 15, 16, and 24 (e.g., property destruction, socially embarrassing acts, nocturnal waking, rapid/loud talking, danger to self/others, aggressive threats, verbal hostility, and arguing/irritability). Factor loadings range from .42 to .71.

Structural equation modeling across diverse validation cohorts has substantiated acceptable goodness-of-fit indices for this three-factor correlated paradigm (Comparative Fit Index [CFI] > .90; Root Mean Square Error of Approximation [RMSEA] ≤ .06; Standardized Root Mean Square Residual [SRMR] ≤ .07), confirming its robustness across diverse stages of neurocognitive impairment.

Instrument / Measurement Tool

The structured attributes, administrative parameters, and scoring protocols for the Memory and Behavior Problem Checklist (MBPC) are detailed below:

• Test Type: Clinician-administered structured interview or self-administered collateral informant rating inventory.
• Target Population: Primary informal caregivers (spouses, adult children, partners, or relatives) or professional long-term care staff providing daily oversight to individuals with cognitive impairment or dementia.
• Total Behavioral Item Count: 32 behavioral items (including 2 clinician/caregiver-specified open items), accompanied by supplementary functional ADL/IADL assessment modules.
• Administration Time: Approximately 15 to 25 minutes for comprehensive dual-rating completion.
• Behavioral Frequency Response Scale: Evaluated for each item using a 7-point differentiated categorical scale:
  • 0 = Never occurred
  • 1 = Occurred frequently in past but not in the past three months
  • 2 = Has occurred recently, but not in the past week
  • 3 = Has occurred 1 or 2 times in the past week
  • 4 = Has occurred 3 to 6 times in the past week
  • 5 = Occurs daily or more often
  • 7 = This problem would occur, if the patient wasn’t supervised
• Caregiver Reaction (Distress) Response Scale: Evaluated conditionally for every behavior endorsed (or rated globally), capturing emotional upset across a 5-point Likert scale:
  • 0 = Not at all
  • 1 = A little
  • 2 = Moderately
  • 3 = Very much
  • 4 = Extremely
• Supplementary ADL Module Scale: Evaluates functional independence (Eating, Dressing, Shaving/Make-up, Taking medications, Bathing, Toileting) using:
  • 0 = Independent
  • 1 = Needs supervision
  • 2 = Needs some assistance to complete task
  • 3 = Totally dependent (with specialized scoring for incontinence: 2 = occasionally incontinent, 3 = incontinent most or all of the time)
  • Reaction rating: 0 = not at all, 1 = a little, 2 = moderately, 3 = very much, 4 = extremely, 9 = don’t know/not applicable
• Scoring and Computational Procedures:
  • Total Frequency Score: Derived by summing the numerical frequency ratings across all behavioral items. In clinical research protocols, the conditional supervision rating (“7”) is typically recoded to “5” (indicating maximum daily severity) or analyzed as an independent clinical contingency flag. Higher total scores denote greater behavioral problem volume.
  • Total Reaction Score: Derived by summing the emotional distress ratings across all items. A higher total indicates elevated caregiver emotional strain and psychological vulnerability.
  • Mean Reaction Score (Appraisal Index): Calculated by summing the reaction ratings and dividing solely by the number of behaviors that actually occurred (items scored > 0). This metric indicates the caregiver’s average emotional vulnerability when behavioral disruptions emerge, unconfounded by absolute symptom frequency.
  • Subscale Scores: Computed by summing item frequencies and reactions within the Memory, Depression, and Disruptive behavioral domains.

Permissions & Fee and Test Year

The original Memory and Behavior Problem Checklist was formulated by Steven H. Zarit and colleagues in 1980, with significant theoretical elaborations published in 1985 (The Hidden Victims of Alzheimer’s Disease: Families Under Stress, New York University Press) and formal psychometric manuals disseminated in 1990 via the Penn State University Gerontology Center. The widely utilized standardized 24-item revision (RMBPC) was published by Linda Teri and colleagues in 1992 in Psychology and Aging.

The original MBPC items, as published in clinical compendiums (e.g., Fischer & Corcoran, 2007, Measures for Clinical Practice and Research) and academic literature, reside in the public academic and clinical domain for scholarly, educational, and non-commercial therapeutic use. Clinicians and researchers are permitted to reproduce and administer the checklist within scientific studies and healthcare contexts without royalty fees, provided proper formal academic citation is credited to the original authors. For commercial deployment, inclusion within proprietary digital healthcare platforms, or copyrighted institutional publication, formal authorization should be sought from the copyright holders or academic publishing entities.

References

The following peer-reviewed works and authoritative clinical sourcebooks document the psychometric development, validation, and clinical application of the MBPC and its derivatives:

• Fischer, J., & Corcoran, K. J. (2007). Measures for clinical practice and research: A sourcebook (4th ed., Vol. 1, pp. 362–365). Oxford University Press.
• Lazarus, R. S., & Folkman, S. (1984). Stress, appraisal, and coping. Springer Publishing Company.
• Pearlin, L. I., Mullan, J. T., Semple, S. J., & Skaff, M. M. (1990). Caregiving and the stress process: An overview of concepts and their measures. The Gerontologist, 30(5), 583–594. https://doi.org/10.1093/geront/30.5.583
• Teri, L., Truax, P., Logsdon, R., Uomoto, J., Zarit, S. H., & Vitaliano, P. P. (1992). Assessment of behavior problems in dementia: The revised Memory and Behavior Problems Checklist. Psychology and Aging, 7(4), 622–631. https://doi.org/10.1037/0882-7974.7.4.622
• Zarit, S. H., Orr, N. K., & Zarit, J. M. (1985). The hidden victims of Alzheimer’s disease: Families under stress. New York University Press.
• Zarit, S. H., Reever, K. E., & Bach-Peterson, J. (1980). Relatives of the impaired elderly: Correlates of feelings of burden. The Gerontologist, 20(6), 649–655. https://doi.org/10.1093/geront/20.6.649
• Zarit, S. H., & Zarit, J. M. (1990). The Memory and Behavior Problems Checklist and the Burden Interview. Penn State University Gerontology Center.
• Zarit, S. H., & Zarit, J. M. (1998). Mental disorders in older adults: Fundamentals of assessment and treatment. Guilford Press.

Items of the Scale