GB/T 38604.1-2020 in English
VALIDPublic information guidance systems—Assessment requirement—Part 1:General
- Issued on:2020-03-31
- Implemented on:2020-10-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$214.00
《GB/T 38604.1-2020公共信息导向系统 评价要求 第1部分：总则》由TC59（全国图形符号标准化技术委员会）归口，TC59SC1（全国图形符号标准化技术委员会城市导向分会）执行，主管部门为国家标准化管理委员会。
Introduction
Standard Background and Technical Evolution
As the basic specification of the public information guidance system series standards, GB/T 38604.1-2020 fills the gap in the standard of quantitative evaluation of guidance systems in my country. This standard inherits the GB/T 15565 graphic symbol terminology system and innovatively introduces the GB/T 19038 customer satisfaction evaluation model to achieve a full-chain evaluation from symbol design to system effectiveness.
Analysis of the core evaluation framework
| Evaluation dimensions | Key indicators | Method selection |
|---|---|---|
| Functionality | Oriented demand satisfaction | Quantitative + intercept survey |
| Normativity | Symbol conformity/streamline continuity | Qualitative + field test |
| Safety | Element installation hazards | Expert evaluation |
| Coordination | Environmental adaptability | 5-level scale evaluation |
Differentiated evaluation implementation
Transportation places
Take railway stations as an example, the key evaluation needs to focus on: the integrity of the guidance chain of the key nodes of entry-security check-waiting-boarding, and the structural equation model is used to analyze the flow line interruption points.
Service places
For example, hospital outpatient clinics should distinguish between diagnosis and treatment process guidance and emergency evacuation guidance, and stratified sampling should be used to ensure that the sample covers patients of all ages.
Key points of data quality control
- Data cleaning: Eliminate "ceiling data" with the same option selected for 5 consecutive questions
- Questionnaire design: Embed 10% repeated questions to detect answer consistency
- Sample size: It is recommended that transportation hubs have ≥500 copies/location, and service places have ≥300 copies
Continuous improvement mechanism
The standard emphasizes the establishment of an evaluation-rectification-re-evaluation closed loop, and recommends:
- Basic compliance inspections of the guidance system are carried out every quarter
- All-factor effectiveness assessments are conducted annually
- Special evaluations are completed within 30 days after major streamline adjustments
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