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One catalogue of research methods — learn how each one works, when to use it, and what it can’t do.

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Methods at the intersection of your two filters.
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clinical psychology

Beck Anxiety Inventory

The Beck Anxiety Inventory (BAI) is a 21-item self-report scale designed to measure the severity of somatic and cognitive symptoms of anxiety in adolescents and adults. Developed by Aaron T. Beck and Robert A. Steer in 1993, the BAI is widely used in clinical assessment, treatment monitoring, and research to quantify a

1 source1993
clinical psychology

Beck Depression Inventory

The Beck Depression Inventory (BDI) is a 21-item self-report instrument designed to measure the severity of depressive symptoms in adolescents and adults. Developed by Aaron T. Beck in 1961 and revised as the BDI-II in 1996, it has become one of the most widely used screening and monitoring tools in clinical psychology

2 sources1961
clinical psychology

Beck Depression Inventory-II

The Beck Depression Inventory-II is a 21-item self-report instrument designed to assess the presence and severity of depressive symptoms in adolescents and adults. Originally published by Aaron T. Beck in 1961 and revised significantly in 1996, the BDI-II is one of the most widely used depression assessment tools in cl

3 sources1996
oncology nursing

Brief Fatigue Inventory

The Brief Fatigue Inventory is a 9-item patient self-report instrument specifically designed for rapid, repeated assessment of cancer-related fatigue severity and its functional impact. Developed by Mendoza, Cleeland, and colleagues at M.D. Anderson Cancer Center in 1999, the BFI is optimized for use in busy oncology c

2 sources1999
health services

Brief Pain Inventory

The Brief Pain Inventory (BPI) is a concise, validated self-report instrument developed by Cleeland and Ryan beginning in 1994 to measure the severity and functional impact of pain in patients with cancer and chronic pain conditions. The BPI-Short Form comprises 11 items assessing pain severity and interference with da

3 sources1994
pain medicine

Central Sensitization Inventory

The Central Sensitization Inventory (CSI) is a 25-item self-report screening instrument developed by Mayer and colleagues in 2012 to identify patients with central sensitization—a condition characterized by amplification of pain signaling and hypersensitivity to sensory stimuli. The CSI captures the constellation of sy

3 sources2012
occupational health

Copenhagen Burnout Inventory

The Copenhagen Burnout Inventory (CBI) is a multidimensional burnout assessment tool designed to measure exhaustion and disengagement in occupational settings. Developed by Kristensen and colleagues in 2005, the CBI distinguishes among personal, work-related, and client-related burnout, making it particularly valuable

1 source2005
transcultural nursing

Cross-Cultural Competence Inventory

The Cross-Cultural Competence Inventory (CCCI) is a comprehensive self-report measure designed to assess healthcare providers' competence in delivering culturally sensitive care across diverse populations. The CCCI evaluates multiple dimensions of cross-cultural competence, including cultural awareness, knowledge of di

1 source2005
healthcare management

DEA Hospital Efficiency

Data Envelopment Analysis (DEA) is a linear programming technique for measuring the relative efficiency of multiple hospitals using multiple inputs and outputs. Introduced by Charnes, Cooper, and Rhodes in 1978, DEA has become the standard method for benchmarking hospital performance in healthcare systems worldwide.

3 sources1978
pharmacology

Drug Attitude Inventory

The Drug Attitude Inventory (DAI) is a brief self-report measure developed by Hogan, Awad, and Eastwood in 1983 to assess attitudes toward medication and predicted medication compliance in schizophrenia and other psychiatric conditions. The original 30-item version (DAI-30) and the widely used 10-item short form (DAI-1

1 source1983
clinical psychology

Health Anxiety Inventory

The Health Anxiety Inventory (HAI) is a 14-item self-report questionnaire designed to measure health anxiety and health-related worry, including concerns about having serious illness, fear of dying, and preoccupation with bodily symptoms. Developed by Salkovskis, Rimes, Warwick, and Clark in 2002, the HAI has become a

1 source2002
integrative medicine

Holistic Caring Inventory

The Holistic Caring Inventory (HCI) is a clinical assessment tool measuring nurses' and healthcare providers' capacity to deliver holistic, person-centered care that integrates physical, emotional, spiritual, and social dimensions. Developed in the context of Watson's theory of human caring, it operationalizes the phil

2 sources1998
oncology nursing

MFI

The Multidimensional Fatigue Inventory is a 20-item self-report instrument that comprehensively measures five distinct dimensions of fatigue: general fatigue, physical fatigue, reduced activity, reduced motivation, and mental fatigue. Developed by Smets and colleagues in 1995, the MFI-20 is grounded in a theoretical mo

2 sources1995
clinical psychology

MMPI Personality Assessment

The Minnesota Multiphasic Personality Inventory (MMPI) is a 567-item standardized self-report inventory designed to assess personality traits, psychopathology, and behavioral tendencies in adults. Originally published in 1943 and revised as the MMPI-2 in 1989 and the MMPI-2-RF in 2008, the MMPI remains the most widely

2 sources1943
transcultural nursing

Multicultural Counseling Inventory

The Multicultural Counseling Inventory (MCI) is a 40-item self-report instrument designed to assess the multicultural competence of mental health counselors and healthcare providers. Originally developed by LaFromboise, Coleman, and Hernandez in 1991, the MCI evaluates five core competence factors: awareness of cultura

1 source1991
neurology

NPSI

The NPSI is a 12-item self-report questionnaire specifically designed to assess and quantify the diverse symptoms characteristic of neuropathic pain. Developed by Bouhassira and colleagues in 2004, it evaluates five distinct symptom dimensions: burning pain, pressing pain, paroxysmal pain, evoked pain, and paresthesias

1 source2004
clinical psychology

Obsessive-Compulsive Inventory

The Obsessive-Compulsive Inventory-Revised (OCI-R) is an 18-item self-report measure of obsessive-compulsive disorder (OCD) symptoms. Developed by Foa and colleagues in 2002, the OCI-R is a revised and shortened version of the original OCI. It assesses six dimensions of OCD: obsessing, hoarding, neutralizing, contamina

2 sources2002
occupational health

Oldenburg Burnout Inventory

The Oldenburg Burnout Inventory (OLBI) is a brief, two-factor assessment of occupational burnout developed by Demerouti and colleagues in 2003. The instrument measures exhaustion (physical, emotional, cognitive) and disengagement (cynicism, reduced motivation) in working populations. It is grounded in the Job Demands-R

1 source2003
pediatric medicine

PedsQL Cancer Module

The PedsQL Cancer Module is a 31-item disease-specific instrument developed by Varni et al. in 2002 to measure quality of life in children and adolescents with cancer aged 2–18 years. It captures treatment burden (nausea, vomiting, pain, hair loss), cancer-related worry, cognitive concerns, and emotional and social imp

2 sources2002
pediatric medicine

PedsQL Cardiac Module

The PedsQL Cardiac Module is a disease-specific instrument developed by Varni et al. in the mid-2000s to measure quality of life in children and adolescents with cardiac disease aged 2–18 years. Measuring across domains including cardiac symptom impact, activity limitations, and cardiac-related worry, it captures how c

2 sources2005
pediatric medicine

PedsQL Diabetes Module

The PedsQL Diabetes Module is a 28-item disease-specific instrument developed by Varni et al. in 2003 to measure quality of life in children and adolescents with type 1 and type 2 diabetes. It captures the impact of diabetes management, glucose monitoring, and disease-related worry on daily functioning. The module is p

2 sources2003
pediatric medicine

PedsQL Sickle Cell Module

The PedsQL Sickle Cell Disease Module is a disease-specific instrument developed by Varni et al. in 2012 to measure quality of life in children and adolescents with sickle cell disease aged 2–18 years. Measuring across domains including pain and symptoms, functional limitations, school impact, and disease-related worry

2 sources2012
healthcare management

Queuing Theory in Healthcare

Queuing theory is a mathematical discipline that models waiting lines, service capacity, and customer (patient) flow. Developed initially by Agner Erlang for telecommunications in 1909, it has been extensively applied to healthcare to analyze and optimize emergency departments, outpatient clinics, surgical suites, and

3 sources1909
clinical psychology

Quick Inventory of Depressive Symptomatology

The Quick Inventory of Depressive Symptomatology is a 16-item assessment designed by A. John Rush and colleagues to efficiently measure the severity of depressive symptoms in adults. Published in Biological Psychiatry in 2003, the QIDS exists in both self-report (QIDS-SR) and clinician-rated (QIDS-C) versions. It was d

3 sources2003
addiction medicine

SASSI

The SASSI is a comprehensive self-report inventory designed to identify substance abuse and dependence through both direct and indirect assessment methods. Developed by Glenn Miller in 1997 and updated to the SASSI-3 format, it employs 'subtle' items that indirectly measure substance abuse risk without openly asking ab

2 sources1997
healthcare management

Six Sigma in Healthcare

Six Sigma is a data-driven quality improvement methodology originating at Motorola in 1986 that aims to reduce process variation and defects to achieve near-perfect quality (3.4 defects per million opportunities). In healthcare, Six Sigma uses statistical analysis and structured project methodology (DMAIC: Define-Measu

3 sources1986
clinical psychology

Social Phobia Inventory

The Social Phobia Inventory (SPIN) is a 17-item self-report measure of social anxiety disorder symptoms. Developed by Connor, Davidson, and colleagues in 2000, the SPIN assesses fear, avoidance, and physiological symptoms related to social anxiety. It is widely used for screening and monitoring social anxiety disorder

2 sources2000
clinical psychology

State-Trait Anxiety Inventory

The State-Trait Anxiety Inventory (STAI) is a 40-item self-report questionnaire designed to measure two distinct dimensions of anxiety: state anxiety (temporary anxiety in response to a specific situation) and trait anxiety (stable tendency to experience anxiety across situations). Developed by Charles D. Spielberger a

2 sources1970
veterinary medicine

Vaccination Protocol Design

Vaccination protocol design is a systematic approach to planning and administering immunizations in animals to prevent infectious disease. Formalized by organizations such as the World Small Animal Veterinary Association (WSAVA) from the 1990s onward, evidence-based protocols balance disease risk, individual animal fac

3 sources1990
psychotherapy research

Working Alliance Inventory

The Working Alliance Inventory (WAI) is a validated, empirically supported measure of the therapeutic alliance—the collaborative relationship between therapist and client. Developed by Horvath and Greenberg in 1989, the WAI operationalizes Bordin's tripartite model of alliance: agreement on goals, agreement on tasks, a

1 source1989