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СортирајПопуларностА–ШШ–АНајновије
nursing

Norton Scale

The Norton Scale is a pioneering risk assessment tool developed by Doreen Norton and colleagues in 1962 to identify hospitalized patients at risk of developing pressure sores. As one of the earliest standardized pressure ulcer risk assessment instruments, the Norton Scale predates and influenced many later tools includ

2 извора1962
otolaryngology

NOSE

The Nasal Obstruction Symptom Evaluation (NOSE) Scale is a brief 5-item self-report questionnaire specifically designed to measure the severity of nasal obstruction and its impact on quality of life. Developed by Stewart and colleagues (2004), the NOSE is the most widely used nasal obstruction-specific outcome measure

1 извор2004
information systems

NoSQL Schema Design

NoSQL schema design is the practice of organizing data for non-relational databases optimized for specific access patterns and scale. Unlike relational design which normalizes data to eliminate redundancy, NoSQL design often embraces denormalization, embedding, and duplicate data to optimize query performance in distri

3 извора2009
health measurement

Nottingham Health Profile

The Nottingham Health Profile (NHP) is a perceived health status measure developed by Hunt and colleagues at the University of Nottingham in 1981. It measures subjective well-being across six dimensions: physical mobility, pain, sleep, emotional reactions, social isolation, and energy level. The NHP emphasizes the pati

3 извора1981
clinical assessment

NRS-2002 Nutritional Risk Screening

The Nutritional Risk Screening 2002 (NRS-2002), developed by Kondrup et al. and endorsed by ESPEN (European Society for Parenteral and Enteral Nutrition), is a 7-point tool for identifying hospitalized patients at nutritional risk. It combines assessment of recent weight loss, dietary intake, disease severity, and age

2 извора2003
chemistry

Nucleophilic Substitution Analysis

Nucleophilic substitution reaction analysis is the systematic study of how nucleophiles attack electrophilic carbons (or other atoms), displacing leaving groups and forming new bonds. Formalized by Hughes, Ingold, and Winstein from the 1930s onward, this framework distinguishes mechanistic pathways (SN1 vs. SN2) and en

2 извора1937
nursing

Numerical Rating Scale for Pain

The Numerical Rating Scale (NRS) is a simple, widely used tool for assessing subjective pain intensity in patients. Patients rate their pain on a scale from 0 to 10, where 0 represents no pain and 10 represents the worst pain imaginable. The NRS is one of the most frequently used pain assessment instruments in clinical

2 извора1978
nursing

Nursing Workload NEMS

The Nine Equivalents of Nursing Manpower Use Score (NEMS) is a validated assessment instrument specifically designed to quantify nursing workload in intensive care unit (ICU) settings. Developed by Miranda, Moreno, and Iapichino, NEMS measures the intensity of nursing care required based on therapeutic interventions an

2 извора1997
nursing

Nursing-Sensitive Indicators

Nursing-Sensitive Indicators are quality metrics that measure healthcare outcomes significantly influenced by nursing care. Developed by the American Nurses Association (ANA) and maintained through the National Database of Nursing Quality Indicators (NDNQI), these indicators assess hospital-acquired complications, staf

2 извора1994
remote sensing

Object-Based Image Analysis

Object-Based Image Analysis (OBIA) is a remote sensing image processing paradigm that groups pixels into meaningful image objects before classification, rather than analysing each pixel independently. Formally articulated and consolidated by Thomas Blaschke in his landmark 2010 ISPRS review, OBIA draws on multiresoluti

1 извор2010
dentistry

Occlusal Analysis

Occlusal analysis is a systematic clinical and instrumental examination that evaluates the relationships between the maxillary and mandibular teeth, the temporomandibular joint, and the muscles of mastication. Comprehensive occlusal analysis informs diagnosis of malocclusion, temporomandibular disorders, and guides pro

3 извора1899
occupational health

Occupational Exposure Questionnaire

The Occupational Exposure Questionnaire (OEQ) systematically documents workers' exposure to physical, chemical, biological, ergonomic, and psychosocial hazards in their occupational roles. Used by occupational health practitioners and researchers, the OEQ captures frequency, duration, and intensity of hazard exposure,

2 извора2007
occupational health

Occupational Fatigue Exhaustion Recovery Scale

The Occupational Fatigue Exhaustion Recovery Scale (OFER) measures worker fatigue across three dimensions: acute fatigue (tiredness after the current work period), chronic fatigue (accumulated exhaustion over weeks or months), and inter-shift recovery (ability to recuperate between work shifts). Developed by Winwood an

2 извора2006
organizational behavior

Occupational Stress Index

The Occupational Stress Index (OSI) is a comprehensive self-report measure of job-related stress and coping resources. Developed by Osipow and Spokane in 1987, the 140-item scale (abbreviated versions also exist) captures role overload, role boundary, role insufficiency, role ambiguity, physical environment demands, an

3 извора1987
medical imaging

OCT Angiography

Optical Coherence Tomography Angiography (OCTA) is a non-invasive imaging technique that visualizes the microvasculature in the retina and choroid by detecting motion contrast from flowing blood. Developed by Jia and colleagues in 2012, OCTA uses repeated OCT scans of the same tissue location to identify blood flow bas

3 извора2012
dentistry

OHIP-14

The OHIP-14 is a 14-item, validated instrument measuring the impact of oral conditions on quality of life and functional well-being. Developed by Slade in 1997, it is a shortened form of the original 49-item OHIP and has become the gold standard for assessing oral health-related quality of life in clinical research and

1 извор1997
dentistry

OHLS

The Oral Health Literacy Scale (OHLS) is an assessment tool measuring patients' ability to understand, process, and act on oral health information. Originally developed as part of health literacy research by Rushton and colleagues, the OHLS evaluates comprehension of dental terminology, oral disease prevention concepts

1 извор2004
dentistry

OIDP

The Oral Impacts on Daily Performances (OIDP) is an 8-item interview-administered instrument measuring the functional and social impact of oral conditions on everyday activities. Developed by Adulyanon and Sheiham in 1997, it captures how oral problems (pain, difficulty eating, appearance concerns) disrupt routine dail

1 извор1997
information systems

OLAP Cube Design

OLAP (Online Analytical Processing) cube design is the practice of structuring multidimensional data for interactive analysis. Formalized by Codd and colleagues in 1993, OLAP cubes organize facts (measurements) along multiple dimensions (attributes) enabling rapid pivoting, drilling, and aggregation for business analys

3 извора1993
survey methodology

Online cluster sampling

Online cluster sampling applies the classic cluster sampling logic to internet-based research: naturally occurring digital groups — such as online communities, email lists, forum memberships, or institutional user registries — serve as clusters, and selected clusters are surveyed in full or partially via web-based inst

2 извора1990
survey methodology

Online convenience sampling

Online convenience sampling is a non-probability technique in which participants are recruited via internet channels — survey platforms, social media, email lists, or research panels — simply because they are accessible and willing to respond. It is the online analogue of traditional convenience sampling, offering fast

2 извора1990
survey methodology

Online Delphi Technique

The Online Delphi Technique (e-Delphi) is an iterative, web-mediated consensus method in which a geographically dispersed panel of experts responds to successive rounds of structured questionnaires distributed and collected via email or a web platform. Anonymous feedback and controlled statistical summaries are fed bac

2 извора1950
survey methodology

Online Deviant Case Sampling

Online deviant case sampling is a purposive qualitative sampling strategy in which the researcher deliberately seeks out and recruits participants who represent extreme, unusual, or outlier instances of the phenomenon under study, using online channels such as forums, social media, specialist communities, or digital re

2 извора1990
survey methodology

Online Diary Method

The online diary method is a longitudinal data collection technique in which participants record their thoughts, experiences, behaviors, or events in structured or semi-structured entries submitted via digital platforms — such as web forms, email, or dedicated apps — at regular or event-contingent intervals. It combine

2 извора2000
social media psychology

Online Disinhibition Scale

The Online Disinhibition Effect Scale measures the tendency for individuals to express themselves less inhibitedly online compared to face-to-face contexts, exhibiting increased aggression, profanity, emotional expression, and self-disclosure in digital environments. Developed by John Suler in 2004, this construct expl

1 извор2004
survey methodology

Online Document Collection

Online document collection is the systematic process of identifying, retrieving, and compiling digital documents — including web pages, institutional publications, social media posts, policy documents, and digital archives — as primary or supplementary research data. It extends classical document analysis into internet

2 извора1990
survey methodology

Online Field Notes

Online field notes are structured, researcher-authored records of observations made within digital environments — social media platforms, online communities, virtual worlds, forums, and video-mediated spaces. Adapted from the classical ethnographic field note tradition, they capture not only what is observed but how th

2 извора1990
survey methodology

Online Focus Group

An online focus group is a moderated group discussion conducted via internet-based platforms — video conferencing, text chat, or asynchronous forums — to explore shared perceptions, attitudes, and experiences on a defined topic. It inherits the group-interaction dynamics of the traditional focus group while removing ge

2 извора1946
survey methodology

Online Mobile Experience Sampling

Online Mobile Experience Sampling (Online ESM) is a data collection technique that uses internet-connected smartphones or tablets to prompt participants multiple times per day and record their thoughts, feelings, behaviors, and context in the moment they occur. By gathering data in real time across daily life rather th

2 извора1983
survey methodology

Online Non-participant Observation

Online non-participant observation is a qualitative data collection technique in which the researcher watches and records naturally occurring behaviour in digital settings — forums, social media platforms, chat groups, comment sections, or online communities — without joining, interacting with, or disclosing their pres

2 извора1990
survey methodology

Online Participant Observation

Online participant observation is a qualitative data collection method in which the researcher enters a digital community or online environment — forums, social media groups, multiplayer games, virtual workplaces — both as a participant and as an observer, systematically documenting social interactions, practices, and

2 извора1990
survey methodology

Online Purposive Sampling

Online purposive sampling applies the logic of criterion-based participant selection to digital recruitment channels — including social media platforms, online communities, email lists, and research recruitment websites. Researchers intentionally seek individuals who possess the characteristics, experiences, or experti

2 извора1990
survey methodology

Online Research Diary

The online research diary method is a data collection technique in which participants document their experiences, thoughts, or behaviours in structured or open-ended digital diary entries over a defined period. Delivered via email, web forms, blogging platforms, or dedicated apps, it captures temporally proximate, natu

2 извора1990
survey methodology

Online Semi-structured Interview

An online semi-structured interview is a qualitative data collection technique in which a researcher conducts a guided but flexible conversation with a participant over a digital medium — video call, telephone, chat, or email — using a prepared interview guide with open-ended questions while remaining free to probe, re

2 извора1990
survey methodology

Online Sensor Data Collection

Online sensor data collection is a systematic technique for gathering continuous or event-triggered measurements from physical sensors that transmit readings in real time over a network — the internet, a local wireless network, or a dedicated IoT protocol. It is used widely in environmental monitoring, health informati

2 извора1990
survey methodology

Online simple random sampling

Online simple random sampling applies the logic of classical simple random sampling (SRS) to digital data collection: every member of a defined online population has an equal and independent probability of being selected, and the survey is administered via web platform, email link, or online panel. The approach combine

2 извора1990
survey methodology

Online Structured Interview

An online structured interview applies the classical structured interview protocol — a fixed set of predetermined questions asked in a fixed order — via internet-mediated channels such as video conferencing, synchronous chat, or email. Every participant receives the exact same questions, enabling systematic comparison

2 извора1990
survey methodology

Online Survey

An online survey is a structured data collection instrument hosted on a web platform and completed by respondents via internet-connected devices. It enables large-scale, geographically dispersed data gathering at low cost and with rapid turnaround. Respondents self-administer the questionnaire at their convenience, whi

2 извора1990
survey methodology

Online Systematic Sampling

Online systematic sampling applies the classical every-k-th-element rule to digital survey contexts — selecting respondents from a web panel, membership database, or visitor stream at a fixed interval. It combines the operational simplicity of systematic sampling with the reach and speed of online data collection, prod

2 извора1990
survey methodology

Online theoretical sampling

Online theoretical sampling applies the logic of theoretical sampling — selecting participants or data sources based on emerging theory rather than predetermined criteria — within digital environments. Researchers iteratively recruit from online communities, forums, social media, or virtual networks, guided at each ste

2 извора1967
information systems

Online Trust Scale

The Online Trust Scale measures consumer confidence and belief in online platforms (e-commerce websites, digital services, social platforms). Developed by researchers including Jarvenpaa, Tractinsky, and Vitale (2000) and Walker and Johnson (2006), this scale captures dimensions of perceived security, vendor reliabilit

2 извора2000
survey methodology

Online Weighted Sampling

Online weighted sampling is the practice of recruiting respondents via internet platforms and then applying statistical weights to correct for unequal selection probabilities, coverage gaps, and differential non-response. It enables researchers to draw valid population inferences from web surveys by compensating for th

2 извора1990
human factors

Operator Performance Assessment Scale

The Operator Performance Assessment Scale (OPAS), formalized by Wierwille and Eggemeier in 1993, is a structured rating method for assessing operator task performance on multiple dimensions (primary task accuracy, secondary task accuracy, task completion time, error rate, procedure adherence) in applied settings. OPAS

2 извора1993
dentistry

OQLiQ

The Orthognathic Quality of Life Questionnaire (OQLiQ) is a 22-item, condition-specific instrument measuring quality of life in patients with dentofacial deformity (severe malocclusion, skeletal asymmetry) before and after orthognathic surgery (surgical correction of jaw and bite discrepancies). Developed by Cunningham

1 извор2000
dentistry

Oral Hygiene Index

The Oral Hygiene Index-Simplified (OHI-S) is a rapid, non-invasive assessment tool that evaluates the amount of plaque (debris) and calculus on tooth surfaces. Developed by Greene and Vermillion in 1964, it comprises two subscales: the Debris Index-Simplified (DI-S) measuring soft deposits and the Calculus Index-Simpli

3 извора1964
psychometrics

Ordinal Convergent Validity

Ordinal convergent validity assesses the degree to which indicators of the same latent construct correlate strongly with each other when those indicators are measured on ordinal (e.g., Likert-type) scales. It adapts standard convergent validity procedures — factor loadings, average variance extracted, and HTMT ratios —

2 извора1959
psychometrics

Ordinal Differential Item Functioning

Ordinal differential item functioning analysis detects whether an ordered-category item (such as a Likert-scale question) functions differently across demographic or cultural groups after controlling for the latent trait being measured. It extends classical binary DIF methods to polytomous response formats common in ps

2 извора1999
psychometrics

Ordinal Discriminant Validity

Ordinal discriminant validity assesses whether a latent construct measured by ordinal (Likert-type) items is empirically distinct from other constructs in the same instrument. It applies polychoric correlations and ordinal-appropriate factor loadings to standard discriminant validity criteria such as the Fornell-Larcke

2 извора1959
psychometrics

Ordinal Generalizability Theory

Ordinal generalizability theory extends classical G-theory to the analysis of reliability and measurement error when item responses are ordered categorical (e.g., Likert-type) rather than continuous. It partitions score variance into components attributable to persons, facets, and their interactions, while accounting f

2 извора1963
psychometrics

Ordinal Item Analysis

Ordinal item analysis evaluates each individual item in a rating-scale or Likert-type instrument using descriptive and correlational statistics suited to ordered categorical response formats. It guides item selection and refinement by flagging items with problematic difficulty, poor discrimination, or low corrected ite

2 извора1950
psychometrics

Ordinal McDonald's omega

Ordinal McDonald's omega is a reliability coefficient designed for Likert-type and other ordinal rating scales. Unlike Cronbach's alpha, it bases its calculation on polychoric correlations among items — capturing the true latent relationships between ordinal responses — and uses factor-analytic loadings to estimate how

2 извора2007
psychometrics

Ordinal Measurement Invariance

Ordinal measurement invariance testing evaluates whether a multi-group confirmatory factor model holds equivalent measurement properties across groups when scale items are ordinal — such as Likert-type response scales. It uses polychoric correlations and categorical estimators (WLSMV/DWLS) rather than Pearson-based met

2 извора1984
psychometrics

Ordinal Nomological Validity

Ordinal nomological validity examines whether a construct measured with ordinal items (e.g., Likert-type scales) behaves in theoretically predicted ways within a nomological network — a web of expected relationships with other constructs and criteria — using methods suited to ordinal data rather than assuming continuou

2 извора1955
psychometrics

Ordinal Rasch Model

The ordinal Rasch model extends the dichotomous Rasch framework to items with ordered response categories such as Likert-type scales. It places both persons and items on a shared interval-level metric, enabling principled measurement from ordinal data while checking whether items function consistently across all respon

2 извора1978
psychometrics

Ordinal Reliability Analysis

Ordinal reliability analysis estimates the internal consistency of scales whose items are measured on ordered-category (Likert-type) response formats. By basing computations on polychoric correlations rather than Pearson correlations, it corrects for the attenuation that standard Cronbach's alpha produces when response

2 извора2007
psychometrics

Ordinal Scale Development

Ordinal scale development is the systematic construction and validation of multi-item measurement instruments whose response options form an ordered but not necessarily equal-interval sequence — most commonly Likert-type formats (e.g., 1 = Strongly Disagree to 5 = Strongly Agree). It applies psychometric techniques tha

2 извора1932
psychometrics

Ordinal Test-Retest Reliability

Ordinal test-retest reliability quantifies how consistently an ordinal measurement instrument — such as a Likert-scale questionnaire or a rating tool — ranks or scores the same participants across two separate administrations separated by a stable interval, using correlation and agreement statistics suited to ordered c

2 извора1904
organizational behavior

Organizational Citizenship Behavior Scale

The Organizational Citizenship Behavior Scale (OCBS) is a 16-item instrument measuring discretionary employee contributions beyond formal job requirements. Developed by Organ in 1988 and operationalized by Williams and Anderson in 1991, the OCBS assesses two dimensions: helping behaviors toward coworkers and support fo

2 извора1988
organizational behavior

Organizational Commitment Scale

The Organizational Commitment Scale (OCS), developed by Meyer and Allen in 1991, measures three distinct dimensions of organizational commitment: affective commitment (emotional attachment), continuance commitment (perceived cost of leaving), and normative commitment (sense of obligation). This three-component model ha

2 извора1991
organizational behavior

Organizational Culture Assessment Instrument

The Organizational Culture Assessment Instrument (OCAI) is a 24-item diagnostic tool that identifies dominant organizational culture types based on the Competing Values Framework (CVF). Developed by Kim S. Cameron and Robert E. Quinn, the OCAI measures cultures across four archetypes: Clan, Adhocracy, Market, and Hiera

2 извора1999
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