ISO 10075-3:2004 PDF

Ergonomic principles related to mental workload — Part 3: Principles and requirements concerning methods for measuring and assessing mental workload

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Title (English):

ISO 10075-3:2004

Ergonomic principles related to mental workload — Part 3: Principles and requirements concerning methods for measuring and assessing mental workload

Document status:: Active
Format:: Electronic (PDF)
Number of pages:: 15
Publication date:: August 13, 2004
Edition:: ISO IS 10075 edition 1 version 1
ICS:: 13.180

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Description (English):

ISO 10075-3:2004 establishes principles and requirements for the measurement and assessment of mental workload and specifies the requirements for measurement instruments. ISO 10075-3:2004 provides information for choosing appropriate methods and provides information on aspects of assessing and measuring mental workload to improve communication among the parties involved. ISO 10075-3:2004 is intended for use mainly by ergonomic experts, for example, psychologists, occupational health specialists, and/or physiologists, with appropriate training in the theoretical background and usage of such methods, as well as in the interpretation of the results. They will find the information needed when developing or evaluating methods of mental-workload assessment.

Technical details

Technical committee: ISO/TC 159/SC 1 - General ergonomics principles
SKU: ISO 10075-3:2004

Abstract

Overview - ISO 10075-3:2004 (mental workload measurement)

ISO 10075-3:2004 is the International Organization for Standardization guidance on methods for measuring and assessing mental workload. It establishes principles and requirements for measurement instruments, offers criteria for selecting appropriate methods, and improves communication between specialists and stakeholders. The standard is aimed primarily at ergonomic experts (psychologists, occupational‑health specialists, physiologists) but also provides useful orientation for employers, designers and regulators.

Key topics and technical requirements

Three-dimensional model of assessment: the standard frames mental‑workload assessment across
- different aspects (mental stress, mental strain, effects such as fatigue),
- different measurement techniques (task analysis, performance metrics, subjective ratings, psychophysiological methods), and
- different degrees of precision (orienting/screening/accurate).
Levels of precision: defines three precision levels-Level 1 (accurate), Level 2 (screening), Level 3 (orienting)-and requires that instruments state which level they support and whether they measure persons or situational characteristics.
Measurement properties: specifies technical characteristics instruments must address, including objectivity, reliability (homogeneity, consistency, stability, inter‑rater reliability), validity (concurrent, criterion‑related, factorial), sensitivity, diagnosticity, generalizability (relative and absolute), and usability.
Procedural, quantitative and documentation requirements: covers procedural standards for administering methods, quantitative requirements for instruments, and documentation needed to demonstrate conformance and support interpretation.
Supporting materials: informative annexes include guidance on generalizability and a checklist for choosing an instrument.

Practical applications and users

Use cases:
- Design and evaluation of work systems to identify stressors and optimize task demands
- Screening occupational groups for mental strain or fatigue risk
- High‑precision studies (research, safety‑critical system evaluation) using validated measurement instruments
- Selecting appropriate methods for surveys, risk analysis, or remediation planning
Primary users: ergonomists, human factors specialists, occupational psychologists, physiologists, safety engineers; secondary users: employers, system designers, regulators, and worker representatives seeking informed method choices.

Related standards

ISO 10075‑1: general terms and definitions (mental workload)
ISO 10075‑2: design principles related to mental workload
ISO 6385: ergonomic principles in the design of work systems

Keywords: ISO 10075-3:2004, mental workload measurement, ergonomics, assessment methods, reliability, validity, psychophysiological measurement, task analysis.

Related standards

Standards mentioned in the description

Abstract

Overview - ISO 10075-3:2004 (mental workload measurement)

Key topics and technical requirements

Three-dimensional model of assessment: the standard frames mental‑workload assessment across
- different aspects (mental stress, mental strain, effects such as fatigue),
- different measurement techniques (task analysis, performance metrics, subjective ratings, psychophysiological methods), and
- different degrees of precision (orienting/screening/accurate).
Levels of precision: defines three precision levels-Level 1 (accurate), Level 2 (screening), Level 3 (orienting)-and requires that instruments state which level they support and whether they measure persons or situational characteristics.
Measurement properties: specifies technical characteristics instruments must address, including objectivity, reliability (homogeneity, consistency, stability, inter‑rater reliability), validity (concurrent, criterion‑related, factorial), sensitivity, diagnosticity, generalizability (relative and absolute), and usability.
Procedural, quantitative and documentation requirements: covers procedural standards for administering methods, quantitative requirements for instruments, and documentation needed to demonstrate conformance and support interpretation.
Supporting materials: informative annexes include guidance on generalizability and a checklist for choosing an instrument.

Practical applications and users

Use cases:
- Design and evaluation of work systems to identify stressors and optimize task demands
- Screening occupational groups for mental strain or fatigue risk
- High‑precision studies (research, safety‑critical system evaluation) using validated measurement instruments
- Selecting appropriate methods for surveys, risk analysis, or remediation planning
Primary users: ergonomists, human factors specialists, occupational psychologists, physiologists, safety engineers; secondary users: employers, system designers, regulators, and worker representatives seeking informed method choices.

Related standards

ISO 10075‑1: general terms and definitions (mental workload)
ISO 10075‑2: design principles related to mental workload
ISO 6385: ergonomic principles in the design of work systems

Keywords: ISO 10075-3:2004, mental workload measurement, ergonomics, assessment methods, reliability, validity, psychophysiological measurement, task analysis.

ISO 10075-3:2004 PDF

Technical details

Abstract

Overview - ISO 10075-3:2004 (mental workload measurement)

Key topics and technical requirements

Practical applications and users

Related standards

Related standards

Abstract

Overview - ISO 10075-3:2004 (mental workload measurement)

Key topics and technical requirements

Practical applications and users

Related standards

Related standards

Ergonomic principles related to mental work-load - Part 1: General concepts, terms and definitions (ISO 10075…

Ergonomic principles related to mental workload - Part 2: Design principles (ISO 10075-2:2024)

Ergonomics principles in the design of work systems (ISO 6385:2016)