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An R-Based Landscape Validation of a Competing Risk Model

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Stakeholder Perceptions of Risk in Construction.

Dong Zhao¹, Andrew P McCoy¹, Brian M Kleiner¹

¹Myers-Lawson School of Construction, Virginia Tech, 1345 Perry Street, Blacksburg, VA 24061, USA.

|October 7, 2015

Summary

This summary is machine-generated.

Construction safety management requires stakeholder agreement on risk perception. This study quantifies risk perception differences among architects, contractors, and engineers, revealing significant discordance and informing better hazard assessment.

Keywords:

Construction stakeholder Experiment Occupational safety and health Risk management Risk perception

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Area of Science:

Construction Management
Occupational Safety and Health
Risk Perception Studies

Background:

Effective construction safety management necessitates aligned risk perceptions among all stakeholders.
Previous research has identified discordance in risk perceptions among critical stakeholders but lacked quantifiable evidence.
A gap exists in understanding and quantifying the varying risk perceptions in construction safety.

Purpose of the Study:

To experimentally investigate and quantify stakeholder perceptions of risk in construction.
To provide empirical evidence of the discordance in risk perceptions among architects, contractors/safety professionals, and engineers.
To inform risk management and decision-making processes by highlighting varying stakeholder judgments.

Main Methods:

An experiment was designed to collect data on stakeholder risk perceptions in construction.
Quantitative analysis was performed on the collected data to identify trends and differences.
Comparative analysis was conducted between different stakeholder groups (architects, contractors/safety professionals, engineers).

Main Results:

Data analysis confirmed the existence of significant discordance in risk perceptions among construction stakeholders.
A clear trend in risk likelihood estimation was observed, with architects perceiving lower risk than contractors/safety professionals, and engineers perceiving the highest risk.
While designers show improved safety knowledge, they struggle more than builders to reach a consensus on risk perception.

Conclusions:

The study provides quantifiable evidence of differing risk perceptions among key construction stakeholders.
Findings highlight the need for risk management strategies to account for these varying judgments in injury prevention and hazard assessment.
Addressing the perception gap is crucial for enhancing overall construction safety and achieving effective risk mitigation.