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Elucidating self-determination and psychological empowerment theories, the current study aims to examine the link between psychological empowerment and proactive behavior. Additionally, it delves into the mediating role of prosocial motivation and assesses the moderating effects of horizontal collectivism between psychological empowerment and proactive behavior, examining the moderated-mediation effects of horizontal collectivism.

A structured questionnaire was distributed in three waves (T1, T2 and T3) among frontline service hotel workers, out of which only 507 were retained and found useful for analysis. The study employed PROCESS macro models 4 and 8 for the analyses.

The results indicated that psychological empowerment is connected to proactive behavior through the partial mediation of prosocial motivation. Further, when horizontal collectivism is high, the favorable association between psychological empowerment and proactive behavior via prosocial motivation is stronger.

Proactive service workers have an innate tendency to contribute optimally to their organization. Yet, research is insufficient about the factors that lead to proactive behavior among frontline service hotel workers. To date, there are hardly any empirical studies that have examined the buffering effects of horizontal collectivism between psychological empowerment and proactive behavior, which contributes to the originality and novelty of our research. In addition, this study offers practical implications related to ways to improve psychological empowerment among frontline service hotel workers in the ever-increasing era of automation.

This paper addresses a significant research gap in the study of Rayleigh surface wave propagation within a piezoelectric medium characterized by piezoelectric properties, thermal effects and voids. Previous research has often overlooked the crucial aspects related to voids. This study aims to provide analytical solutions for Rayleigh waves propagating through a medium consisting of a nonlocal piezo-thermo-elastic material with voids under the Moore–Gibson–Thompson thermo-elasticity theory with memory dependencies.

The analytical solutions are derived using a wave-mode method, and roots are computed from the characteristic equation using the Durand–Kerner method. These roots are then filtered based on the decay condition of surface waves. The analysis pertains to a medium subjected to stress-free and isothermal boundary conditions.

Computational simulations are performed to determine the attenuation coefficient and phase velocity of Rayleigh waves. This investigation goes beyond mere calculations and examines particle motion to gain deeper insights into Rayleigh wave propagation. Furthermore, this investigates how kernel function and nonlocal parameters influence these wave phenomena.

The results of this study reveal several unique cases that significantly contribute to the understanding of Rayleigh wave propagation within this intricate material system, particularly in the presence of voids.

This investigation provides valuable insights into the synergistic dynamics among piezoelectric constituents, void structures and Rayleigh wave propagation, enabling advancements in sensor technology, augmented energy harvesting methodologies and pioneering seismic monitoring approaches.

This study formulates a novel governing equation for a nonlocal piezo-thermo-elastic medium with voids, highlighting the significance of Rayleigh waves and investigating the impact of memory.