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一个汇集研究方法的目录——了解每种方法如何运作、何时使用以及它做不到什么。

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以内容为本的研究方法参考文库——每种方法是什么、如何运作、源自何处。

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Environment & Sustainability160
Law30
方法统计学1,836人工智能与机器学习1,661决策科学932研究方法1,354测量1,745因果与证据532研究实践118
714 种方法 来自Health & Medicine清除
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clinical psychology

Intolerance of Uncertainty Scale

The IUS-12 is a 12-item self-report measure of intolerance of uncertainty, a cognitive vulnerability factor underlying anxiety across multiple disorders. Developed by Carleton, Norton, and Asmundson in 2007 as short form of the original IUS-27, it measures difficulty accepting or managing uncertainty and associated anx

1 个来源2007
health education

IPCS

The IPCS is a self-report questionnaire measuring healthcare professionals' and students' attitudes, beliefs, and behaviors regarding interprofessional collaboration and teamwork. Developed through research by Hind and colleagues in 2003 and refined in subsequent interprofessional education studies, the IPCS evaluates

2 个来源2003
sleep medicine

IRLS

The IRLS is a 10-item clinician-administered rating scale designed to assess the severity of symptoms in patients with restless legs syndrome (RLS). Developed and validated by Walters and colleagues in 2003 for the International Restless Legs Syndrome Study Group, it is the most widely used disease-specific severity me

1 个来源2003
pharmacology

Isobologram Analysis

Isobologram analysis is a graphical and quantitative method for detecting and classifying drug interactions, developed by Salvatore Loewe in 1926. It uses dose-response data from two drugs applied individually and in combination to determine whether their interaction is additive, synergistic, or antagonistic.

2 个来源1926
pediatric medicine

ITQOL

The ITQOL is a generic parent-report instrument developed by Landgraf et al. in 1997 to measure health-related quality of life in infants and toddlers aged 2 months to 5 years. Addressing the developmental uniqueness of the very young, the ITQOL captures health-related functioning across domains relevant to early child

2 个来源1997
public health nutrition

IYCF Practices

The IYCF assessment is a set of core indicators developed by WHO and UNICEF to measure the prevalence of key feeding practices in children aged 0–23 months. The indicators track six essential markers: exclusive breastfeeding in infants under 6 months, continued breastfeeding in the second year, timely introduction of c

2 个来源2021
pediatric medicine

JAFAR

The JAFAR is a parent-report instrument developed by Lovell et al. in 1989 to assess functional ability in children and adolescents with juvenile idiopathic arthritis (JIA). Measuring across multiple domains including lower extremity function, upper extremity function, and activities of daily living, the JAFAR quantifi

2 个来源1989
occupational therapy

JHFT

The Jebsen-Taylor Hand Function Test (JHFT) is a standardized, performance-based measure of hand function developed to provide an objective, quantitative assessment of manual dexterity and hand capability. Created by Jebsen and colleagues (1969) at the University of Minnesota, the JHFT consists of seven timed functiona

2 个来源1969
survival

Joint Model for Longitudinal and Survival Data

The joint model for longitudinal and time-to-event data, formalised by Tsiatis and Davidian in 2004 and extended comprehensively by Rizopoulos in 2012, simultaneously estimates a mixed-effects model for repeatedly measured biomarkers and a survival model for the time to an event, linking the two processes through share

2 个来源2004
cardiology

Kansas City Cardiomyopathy Questionnaire

The Kansas City Cardiomyopathy Questionnaire (KCCQ) is a 23-item, multidimensional self-report measure that evaluates heart failure-related symptoms, functional limitations, and quality of life in patients with cardiomyopathy and heart failure of all severities. Developed by Spertus and colleagues in 2000, the KCCQ pro

1 个来源2000
survival

Kaplan-Meier

The Kaplan-Meier estimator, introduced by Kaplan and Meier in 1958, is a non-parametric method that estimates the survival curve — the probability of remaining event-free over time — from right-censored time-to-event data. The log-rank test is the companion procedure used to compare survival curves between groups.

2 个来源1958
epidemiology

Kaplan-Meier Analysis

Kaplan-Meier (KM) analysis is a nonparametric method for estimating the survival function from time-to-event data. Introduced by Kaplan and Meier in 1958, it produces the classic step-function survival curve that shows the probability of surviving beyond each observed event time, correctly accounting for censored obser

2 个来源1958
nursing

Katz Index of Independence in ADL

The Katz Index of Independence in Activities of Daily Living, developed by Sidney Katz and colleagues in 1963, is one of the earliest and most widely used tools for assessing functional status in older adults and persons with chronic illness. The scale evaluates six essential self-care activities (bathing, dressing, to

2 个来源1963
health outcomes

KDQOL

The KDQOL is the most widely used quality of life measure for chronic kidney disease (CKD) patients, particularly those on dialysis. Developed by Ron Hays and colleagues in 1994, this multidimensional questionnaire (full version 134 items; short-form KDQOL-SF 36 items) measures kidney disease-specific impacts on physic

3 个来源1994
clinical psychology

Kessler Psychological Distress Scale

The Kessler Psychological Distress Scale-10 (K10) is a 10-item self-report measure of non-specific psychological distress and mental health problems. Developed by Kessler and colleagues in 2002, the K10 was designed as an ultra-brief screening instrument for population surveys and epidemiological research. A shorter 6-

2 个来源2002
rehabilitation

Knee Injury and Osteoarthritis Outcome Score

The Knee Injury and Osteoarthritis Outcome Score (KOOS) is a patient-reported outcome measure designed for active patients with knee injury and osteoarthritis. Developed by Roos and colleagues in 1998, KOOS extends assessment beyond traditional osteoarthritis scales to include symptoms, pain, function in daily living,

2 个来源1998
implementation science

Knowledge Translation

Knowledge Translation (KT) is the systematic synthesis, dissemination, exchange, and application of research findings to improve health outcomes and healthcare practice. First formalized by the Canadian Institutes of Health Research in 2004, KT recognizes that evidence generation alone does not automatically change cli

3 个来源2004
implementation science

KTA

The Knowledge-to-Action (KTA) Framework is a conceptual model and process guide for translating evidence into practice, developed by Ian Graham and colleagues at the Ottawa Hospital Research Institute (2004–2006). The KTA framework addresses a central challenge in implementation science: research evidence alone does no

2 个来源2004
survival

Landmark Analysis

Landmark analysis, introduced by Anderson, Cain, and Gelber in 1983, estimates conditional survival probabilities for subjects who are still at risk at a pre-specified point in time — the landmark — rather than at study entry. It was developed explicitly to avoid immortal time bias that arises when subjects are grouped

2 个来源1983
neurology

LANSS

The LANSS is a brief seven-item hybrid screening and diagnostic tool designed to differentiate neuropathic pain from non-neuropathic (nociceptive) pain. Developed by Mark Bennett at the University of Leeds in 2001, it combines five patient-reported symptom items with two clinician-performed neurological examination fin

1 个来源2001
nursing

Lawton-Brody Instrumental ADL Scale

The Lawton-Brody Instrumental Activities of Daily Living (IADL) Scale, developed by M. Powell Lawton and Elaine M. Brody in 1969, measures the capacity to perform complex, higher-order self-care and household tasks necessary for independent community living. The scale assesses eight domains (for women) or five domains

2 个来源1969
healthcare management

Lean Healthcare

Lean is a management philosophy that emerged from the Toyota Production System, focused on maximizing patient value while minimizing waste. Applied to healthcare, Lean uses systematic methods to identify and eliminate non-value-added activities, reduce wait times, and improve the quality of patient care.

3 个来源1988
clinical psychology

Liebowitz Social Anxiety Scale

The Liebowitz Social Anxiety Scale (LSAS) is a 24-item clinician-administered scale designed to measure the severity of social anxiety and avoidance in individuals with social anxiety disorder. Developed by Michael R. Liebowitz in 1987, the LSAS has become the gold-standard instrument for assessing social phobia in cli

1 个来源1987
psychiatric rehabilitation

Link Stigma Scale

The Link Stigma Scale, also called the Perceived Devaluation-Discrimination Scale, is a measure of perceived stigma developed by Bruce G. Link in 1987. It assesses the extent to which individuals with serious mental illness perceive that society devalues people with mental illness and discriminates against them. Unlike

1 个来源1987
pharmacology

Liposome Encapsulation

Liposomal encapsulation is a formulation technique using lipid bilayer vesicles (liposomes) to enclose drugs, improving bioavailability, reducing toxicity, and enabling targeted delivery. Developed by Alec Bangham in 1965, liposomes are now standard in pharmaceutical development, with several FDA-approved liposomal dru

2 个来源1965
public health

Lockdown Wellbeing Scale

The Lockdown Wellbeing Scale (LWS) measures the specific psychological and social impacts of mobility restrictions and lockdown policies on individual well-being. Developed by Giuntella and colleagues from economic and social data on pandemic restrictions, it captures dimensions of isolation, social disconnection, rout

2 个来源2021
survival

Log-Rank Test

The log-rank test, developed by Nathan Mantel in 1966, is a non-parametric hypothesis test that compares the overall survival experience of two or more groups throughout the entire follow-up period. It is the standard companion to Kaplan-Meier curves and determines whether observed differences between curves are statis

2 个来源1966
sports medicine

Lower Extremity Functional Scale

The Lower Extremity Functional Scale (LEFS) is a 20-item patient self-report instrument designed to assess functional limitations in individuals with lower extremity musculoskeletal disorders. Developed by Binkley, Stratford, Lott, and Riddle in 1999 and published in Physical Therapy, the LEFS provides a validated, gen

1 个来源1999
sports medicine

Lysholm Knee Scale

The Lysholm Knee Scoring Scale is an 8-item knee outcome instrument developed by Swedish orthopedic surgeons Lysholm and Gillquist in 1982 to evaluate knee ligament surgery results. Published in the American Journal of Sports Medicine, the Lysholm Scale was among the first validated knee outcome measures and remains wi

1 个来源1982
nursing

Malnutrition Screening Tool

The Malnutrition Screening Tool (MST), developed by Michelle Ferguson and colleagues in 1999, is a brief, validated screening instrument designed to identify hospitalized patients at risk for malnutrition. The tool consists of two simple questions about recent unintentional weight loss and reduced food intake, yielding

2 个来源1999
physical therapy

Manual Muscle Testing

Manual muscle testing (MMT) is a clinical examination technique that quantifies muscle strength by applying manual resistance to isometric contractions and grading the result on a standardized scale (typically 0-5). Developed by Daniels and Worthingham in the 1940s, MMT remains the primary bedside method for assessing

2 个来源1940
health economics

Markov Model in Health Economics

A Markov model is a decision-analytic tool that simulates disease progression through defined health states over time, calculating cumulative costs and quality-adjusted life years (QALYs) to enable cost-effectiveness analysis. Developed by Beck and Pauker in 1983, Markov models are now the standard framework for projec

3 个来源1983
sports medicine

Marx Activity Rating Scale

The Marx Activity Rating Scale (MARS) is a 4-item patient-reported instrument that quantifies the frequency of high-demand athletic activities performed in the past four weeks. Developed by Marx and colleagues in 2001 and published in the American Journal of Sports Medicine, the MARS focuses specifically on quantifying

1 个来源2001
occupational therapy

MAS

The Motor Assessment Scale (MAS) is a clinician-rated, performance-based measure of motor function specifically developed for stroke survivors. Created by Carr, Shepherd, and colleagues (1985) at the University of Sydney, the MAS evaluates 8 fundamental motor tasks reflecting functional mobility and motor control relev

2 个来源1985
epidemiology

Matched case report

A matched case report is a structured clinical case write-up in which the index patient is compared against one or more systematically selected matched comparators — typically patients with similar demographics, comorbidities, or clinical settings who did not experience the same unusual outcome. The matched comparator

2 个来源1990
epidemiology

Matched case-control study

A matched case-control study is an observational epidemiological design in which each case (a person with the disease or outcome of interest) is paired with one or more controls (persons without the outcome) who share one or more characteristics — such as age, sex, or clinical setting — to control confounding. Exposure

2 个来源1950
epidemiology

Matched Case-Crossover Design

The matched case-crossover design is a self-controlled observational study in which each case serves as its own control. A short hazard window immediately before the acute event is compared with one or more matched control windows — selected to have the same day of week, season, or other time-varying covariate — making

2 个来源1991
epidemiology

Matched Cohort Study

A matched cohort study is an observational design in which each exposed participant is paired with one or more unexposed counterparts who share key characteristics — such as age, sex, or comorbidity status — before both groups are followed forward in time to compare incident outcomes. Matching controls for measured con

2 个来源1983
epidemiology

Matched Competing Risks Analysis

Matched competing risks analysis combines subject-level matching (e.g., propensity-score matching) with competing risks survival methods to estimate the cause-specific or subdistribution hazard of an event of interest while accounting for competing events that preclude the occurrence of that event. It is widely used in

2 个来源1999
epidemiology

Matched Cox Proportional Hazards

Matched Cox proportional hazards is a survival analysis method that extends the Cox regression model to appropriately handle data arising from matched study designs — matched cohorts or matched case-control studies with time-to-event outcomes. By stratifying the partial likelihood by matched set, the method eliminates

2 个来源1972
epidemiology

Matched Cross-Sectional Epidemiological Study

A matched cross-sectional epidemiological study is an observational design that measures exposure and outcome simultaneously in a population sample while applying matching to control for one or more confounding variables. By pairing or grouping participants on key characteristics such as age, sex, or socioeconomic stat

2 个来源1970
epidemiology

Matched Diagnostic Accuracy Study

A matched diagnostic accuracy study evaluates how well an index test correctly identifies a target condition in study participants who have been matched on key characteristics — such as age, sex, or disease severity — to control for confounding. By pairing diseased and non-diseased subjects on relevant factors before a

2 个来源1990
epidemiology

Matched dose-response analysis

Matched dose-response analysis evaluates whether increasing levels of exposure are associated with proportionally increasing (or decreasing) risk of an outcome, within a study where cases and controls — or exposed and unexposed individuals — have been deliberately matched on key confounders such as age, sex, or study s

2 个来源1970
epidemiology

Matched ecological study

A matched ecological study is an observational epidemiological design in which aggregate units — such as geographic areas, communities, or time periods — are systematically paired or matched on key characteristics before comparing exposure and outcome rates. Matching at the group level controls for area-level confounde

2 个来源1970
epidemiology

Matched Kaplan-Meier Analysis

Matched Kaplan-Meier analysis estimates and compares survival functions in groups that have been pre-balanced through individual or propensity-score matching. By applying the Kaplan-Meier product-limit estimator to matched cohorts or matched pairs, investigators can visualize time-to-event outcomes while controlling fo

2 个来源1958
epidemiology

Matched nested case-control

A matched nested case-control study is an efficient observational design embedded within a defined cohort. When a participant develops the outcome of interest (a case), a small number of controls are sampled from those still at risk at that moment and matched to the case on key variables such as age, sex, or calendar t

2 个来源1970
epidemiology

Matched Phase II clinical trial

A matched Phase II clinical trial is a single-arm or small-controlled early-efficacy study in which treated patients are paired with matched controls — drawn from historical databases, registries, or concurrent external cohorts — on key prognostic variables such as age, disease stage, and performance status. This desig

2 个来源1960
epidemiology

Matched Phase III Clinical Trial

A matched Phase III clinical trial is a confirmatory, late-stage controlled study in which each participant assigned to the experimental treatment is paired with one or more controls who share key prognostic characteristics — such as age, disease stage, or comorbidities — before treatment allocation. By ensuring baseli

2 个来源1950
epidemiology

Matched Phase IV Study

A Matched Phase IV study is a post-marketing observational design in which patients who received an approved drug (or intervention) are matched to comparable non-exposed patients — or patients on an alternative therapy — to evaluate real-world safety, effectiveness, or long-term outcomes. Conducted after regulatory app

2 个来源1980
epidemiology

Matched Randomized Clinical Trial

A matched randomized clinical trial pairs participants (or clusters) on key baseline characteristics before randomization, then allocates one member of each pair to treatment and the other to control. This design combines the causal validity of randomization with the covariate balance of matching, increasing statistica

2 个来源2000
epidemiology

Matched Screening Test Evaluation

Matched screening test evaluation assesses the sensitivity, specificity, and predictive values of a screening or diagnostic test using a matched design, in which disease-positive cases are paired with one or more disease-free controls selected to share key characteristics such as age, sex, or clinical setting. Matching

2 个来源1980
epidemiology

Matched Survival Analysis

Matched survival analysis combines a matching design — typically propensity score matching or exact matching on key covariates — with time-to-event methods such as Kaplan-Meier estimation and the Cox proportional hazards model. By pairing treated and control subjects who are similar on observed confounders before estim

2 个来源1983
pain medicine

McGill Pain Questionnaire

The McGill Pain Questionnaire (MPQ) is a multidimensional pain assessment instrument developed by Ronald Melzack in 1975. It measures pain across sensory, affective, and evaluative dimensions, allowing clinicians and researchers to capture the qualitative experience of pain beyond simple intensity ratings. The MPQ rema

3 个来源1975
public health nutrition

MDQI

The Maternal Diet Quality Index (MDQI) is a composite measure of maternal nutrition that evaluates diet quality during pregnancy and postpartum using a scored framework. Adapted from general population dietary quality indices, the MDQI emphasizes nutrients critical for fetal development and maternal health: folate, iro

2 个来源2010
neurology

MDS-UPDRS

The MDS-UPDRS is the gold-standard clinician-administered rating scale for assessing motor and non-motor manifestations of Parkinson's disease. Developed by the Movement Disorder Society in 2008 to enhance the original UPDRS, it measures disease severity across daily living, motor function, and treatment complications.

1 个来源2008
pharmacology

Medication Adherence Rating Scale

The Medication Adherence Rating Scale (MARS) is a 10-item self-report measure developed by Thompson, Kulkarni, and Sergejew in 2000 to assess medication adherence behaviors and attitudes in psychiatric populations, particularly antipsychotic medication use. Although originally validated in schizophrenia, it has been su

1 个来源2000
nursing

Medication Reconciliation

Medication Reconciliation is a systematic process of identifying and resolving discrepancies between the medications a patient should be taking and what they are actually taking. Endorsed by The Joint Commission as a National Patient Safety Goal, medication reconciliation occurs at critical transition points such as ho

2 个来源2005
pharmacology

Medication Regimen Complexity Index

The Medication Regimen Complexity Index (MRCI) is a clinician-administered quantitative measure that objectively assesses the complexity of a patient's medication regimen based on the number of medications, frequency of dosing, and form of administration. Developed by Morgado, Rolo, and Castelo-Branco in 2012, the MRCI

1 个来源2012
pharmacology

Medication Understanding and Use Self-Efficacy Scale

The Medication Understanding and Use Self-Efficacy Scale (MUSE-S) is a brief, patient-centered self-report measure assessing both knowledge and confidence regarding medication use. Developed by Kripalani and colleagues at Emory University in 2009, the MUSE-S evaluates whether patients understand their medications (what

1 个来源2009
dermatology

MelasQoL

MelasQoL is a disease-specific, patient-administered quality-of-life measure designed to assess the psychosocial burden of melasma, a common chronic disorder of symmetric facial hyperpigmentation. Developed by Cestari and colleagues in 2006, it captures the unique emotional and social impacts of a predominantly cosmeti

2 个来源2006
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