Unclear and conflicting job demands can cause more harm than workload alone

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  A review of 515 studies involving nearly 788,000 employees found that unclear or conflicting job demands can be more harmful than workload alone.

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  Role ambiguity was most damaging for measures including job satisfaction, engagement, commitment, fairness perceptions and performance.

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  Role conflict was most strongly associated with burnout, psychological distress, counterproductive behaviour and wanting to quit.

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  Work overload showed the strongest link to physical and emotional symptoms.

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  The findings suggest that different sources of workplace stress require different solutions.

Who

Researchers who conducted a meta-analysis of workplace stress studies.

What

They found that role ambiguity and role conflict can be more harmful on several measures than workload alone.

When

The article was published on October 12, 2026; the meta-analysis examined 60 years of research.

Where

The studies involved employees around the world.

Why

The researchers examined how role ambiguity, role conflict and role overload affect employee well-being and workplace outcomes.

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