Good supervision is a key factor in PhD student happiness.
Supervisors who invest in positive mentoring relationships with their PhD candidates also benefit from improved research outcomes.
A global PhD survey conducted by Nature in 2025 found that many PhD students felt fulfilled by their work, despite common challenges.
Stipends that are more than just a living wage, manageable hours, and a supportive team are important factors, but supportive supervision is often overlooked.
Author's summary: Good supervision matters for PhD happiness.