📄 social_science

Effects of vigilant leadership on nursing team performance mediated by team reflexivity and moderated by perceived overqualification

This study demonstrates that vigilant leadership enhances nursing team performance by fostering team reflexivity, a positive relationship that is significantly weakened when head nurses perceive themselves as overqualified.

Original authors: chunfeng Xing, Yuxuan Zhao, Guilin LIU, Yaxin Liu, Meiling Wu, Zili Li, Lihua Zhang

Published 2026-07-07

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CC BY 4.0

Original authors: chunfeng Xing, Yuxuan Zhao, Guilin LIU, Yaxin Liu, Meiling Wu, Zili Li, Lihua Zhang

Original paper licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). ✨ This is an AI-generated explanation of the paper below. It is not written or endorsed by the authors. For technical accuracy, refer to the original paper. Read full disclaimer

The Big Picture: The "Watchful Captain" and the Crew

Imagine a nursing team as a ship sailing through stormy seas (the hospital). The Head Nurse is the captain. This study looks at a specific type of captain called a "Vigilant Leader."

A Vigilant Leader is like a captain who is constantly scanning the horizon for fog, hidden rocks, or changing winds before they become a crisis. They don't just react when things go wrong; they try to spot trouble early.

The researchers wanted to know: Does having a watchful captain make the whole ship run better? And if so, how does that happen?

The Main Findings (The "How")

1. The Watchful Captain Helps the Ship (Direct Effect)
The study found that when Head Nurses act as vigilant leaders, the nursing team performs better. They make fewer mistakes, finish tasks faster, and keep patients safer. It's like having a captain who spots a storm early allows the crew to prepare, rather than being caught in the middle of it.

2. The Secret Ingredient: "The Group Huddle" (Mediation)
The study discovered that the captain doesn't just magically make the ship faster. Instead, the captain's vigilance triggers a specific behavior in the crew: Team Reflexivity.

The Analogy: Think of Team Reflexivity as a "Group Huddle" or a "Post-Game Review."
When the captain is vigilant, they encourage the crew to stop and ask: "What are we doing? Is our plan working? Where are the weak spots?"
The study found that the captain's watchfulness leads to these huddles, and those huddles are what actually make the team perform better. Without the huddle, the captain's watchfulness alone isn't enough to fix the ship's speed.

3. The "Overqualified" Problem (Moderation)
Here is the twist. The study looked at Head Nurses who felt Overqualified.

The Analogy: Imagine a master chess grandmaster who is hired to play checkers. They feel their skills are wasted. They feel bored and think, "I don't need to ask the team for help; I can solve this puzzle in my head alone."
The Result: When a Head Nurse feels overqualified, the "Watchful Captain" style stops working as well.
- If the nurse feels their job is too easy for them, they stop calling for the "Group Huddle." They think, "I see the risk, I'll just fix it myself."
- Because they skip the group discussion, the team doesn't learn or improve together, and the benefits of the leader's vigilance disappear.
- However, if the nurse feels their skills match the job perfectly, they are more likely to call the group huddle, and the team thrives.

Summary of the Chain Reaction

Vigilant Leadership: The leader spots risks early.
The Trigger: This usually leads to Team Reflexivity (the team stopping to discuss and plan together).
The Outcome: This discussion leads to Better Performance.
The Blocker: If the leader feels Overqualified (like a grandmaster playing checkers), they skip the discussion and try to do it alone. This breaks the chain, and the team doesn't get the performance boost.

What the Study Did

Who: They asked 116 Head Nurses in three public hospitals in Shenzhen, China.
How: They gave them a survey (questionnaire) asking about their leadership style, how often their team discusses work, how overqualified they feel, and how well their team is doing.
The Math: They used statistical tools to prove that the "Group Huddle" is the middle step and that "feeling overqualified" is the switch that turns the system on or off.

What the Study Did NOT Say

It did not say that overqualified nurses are bad people. It just says that in this specific context, their feeling of being "too good for the job" stops them from leading their team through group discussions.
It did not test this on patients directly or in private hospitals; it only looked at the self-reported data from the Head Nurses in these three specific public hospitals.

The Bottom Line

To get the best results from a nursing team, a leader needs to be watchful (spotting risks) AND inclusive (getting the team to talk about those risks). If a leader feels their job is beneath them, they might stop including the team, which hurts the team's overall success.

Technical Summary: Effects of Vigilant Leadership on Nursing Team Performance

Problem Statement
In the high-uncertainty and high-risk environment of nursing, managers must not only maintain stable quality but also proactively identify potential crisis signals. While vigilant leadership—defined as a style maintaining constant alertness and guiding teams to respond proactively to risks—is theoretically valuable, the specific mechanisms through which it influences nursing team performance remain under-explored. Furthermore, it is unclear whether individual cognitive factors, specifically perceived overqualification (the belief that one's qualifications exceed job requirements), act as a boundary condition that enhances or diminishes the effectiveness of this leadership style. This study addresses the gap in understanding the mediating role of team reflexivity and the moderating role of perceived overqualification in the relationship between vigilant leadership and team performance.

Methodology
The study employed a quantitative, cross-sectional survey design involving 116 head nurses from three public hospitals in Shenzhen, China. Data were collected in November 2025 via an electronic questionnaire (Wenjuanxing) with an effective response rate of 92.8%.

Variables and Measures:
- Independent Variable: Vigilant Leadership (10 items, adapted from Gao et al., $\alpha$ =0.89).
- Mediator: Team Reflexivity (5 items, adapted from De Jong & Elfring, $\alpha$ =0.86).
- Moderator: Perceived Overqualification (4 items, adapted from Hu et al., $\alpha$ =0.87).
- Dependent Variable: Nursing Team Performance (7 items, adapted from Carson et al., $\alpha$ =0.93).
- Control Variables: Gender, age, educational background, professional title, years of nursing experience, and head nurse tenure.
Statistical Analysis:
- Data were analyzed using SPSS 20.0 and the PROCESS macro.
- Correlation analysis examined bivariate relationships.
- Hierarchical regression tested the direct, mediating, and moderating effects.
- The Bootstrap method (5,000 resamples, 95% CI) was used to verify the significance of the indirect effects.

Key Results

Direct Effect: Vigilant leadership demonstrated a significant positive effect on nursing team performance ( $\beta$ =0.328, $P$ <0.001).
Mediation: Team reflexivity played a full mediating role in the relationship between vigilant leadership and team performance.
- Vigilant leadership significantly predicted team reflexivity ( $\beta$ =0.467, $P$ <0.001).
- Team reflexivity significantly predicted team performance ( $\beta$ =0.540, $P$ <0.001).
- When team reflexivity was included in the model, the direct effect of vigilant leadership on performance became non-significant ( $\beta$ =0.075).
- The indirect effect value was 0.2522 (95% CI [0.1449, 0.3945]), confirming the full mediation.
Moderation: Perceived overqualification exerted a significant negative moderating effect on the path from vigilant leadership to team reflexivity ( $\beta$ $β$ =-0.157, $P$ $P$ <0.05).
- Simple Slope Analysis:
  - Low Perceived Overqualification: The positive impact of vigilant leadership on team reflexivity was strong and significant ( $\beta$ =0.598).
  - High Perceived Overqualification: The positive impact of vigilant leadership on team reflexivity was significantly weakened ( $\beta$ =0.282).
- Interpretation: Head nurses with high perceived overqualification tend to rely on individual judgment rather than facilitating collective team reflection, thereby dampening the leadership's effectiveness in triggering team reflexivity.

Key Contributions

Theoretical Mechanism: The study constructs and validates a moderated mediation model ("Vigilant Leadership → Team Reflexivity → Team Performance"), identifying team reflexivity as the cognitive mechanism through which vigilant leadership improves performance.
Boundary Conditions: It introduces perceived overqualification as a critical boundary condition, revealing that the benefits of vigilant leadership are contingent upon the leader's sense of fit with their role. High overqualification creates a "relative deprivation" that leads to individualistic rather than collective problem-solving.
Contextual Insight: The research provides empirical evidence within the specific context of nursing management, highlighting how leadership styles interact with psychological states in high-risk clinical environments.

Significance and Claims
The authors claim that their findings offer theoretical support and practical implications for optimizing nursing leadership and team configuration. Specifically:

Leadership Optimization: Hospitals should cultivate vigilant leadership but must recognize that its efficacy depends on fostering team reflexivity.
Person-Job Fit: The study suggests that high levels of perceived overqualification in head nurses can be detrimental to team processes. Administrators are advised to prioritize person-job fit when appointing head nurses to avoid the "underutilization" mindset that suppresses collective reflection.
Management Interventions: For overqualified head nurses, management should provide "management advancement channels" (e.g., leading quality improvement projects) to convert excess competence into leadership value, thereby reducing the negative moderating effect.

Limitations
The authors modestly acknowledge limitations, including:

Sample Representativeness: The sample is geographically concentrated (Shenzhen) and limited to public hospitals, potentially restricting generalizability.
Common Method Bias: All variables were self-reported by head nurses, lacking objective indicators or peer evaluations.
Causal Inference: The cross-sectional design prevents the establishment of causal sequences or the observation of dynamic changes over time.

Future research directions proposed by the authors include expanding the sample scope, utilizing longitudinal designs, and incorporating additional variables such as psychological safety.