Impact of Employee Motivation on Performance: A Case Study of Keels Supermarket Chain, Sri Lanka

Employee motivation plays a pivotal role in organizational success. This study examines the impact of employee motivation on performance in the context of Keels Supermarket, a leading retail chain in Sri Lanka. The research investigates how key motivational factors, including leadership style, job satisfaction, work-life balance, and peer support, relate to employee performance. A quantitative survey of 100 employees across 8 supermarket outlets was conducted, and hypotheses were tested using chi-square analysis and regression models. Results indicate that leadership, job satisfaction, and work-life balance (WLB) have significant positive effects on employee performance (EP), whereas peer support showed no significant direct impact. Internal consistency was acceptable to very good (Cronbach’s α = 0.726–0.873), with strong convergence (CR = 0.846–0.913), and mean average (AVE = 0.579–0.723). The Fornell–Larcker criteria confirmed discriminant validity (√AVE 0.761–0.850 > inter-construct correlations). These findings align with motivation theory and prior studies, underscoring the importance of intrinsic and extrinsic motivators in enhancing productivity. The study pinpoints which motivational factors most strongly drive performance and shows they align with prior research and sector norms, supporting the general motivation vs performance link. It contributes a standardized measurement template for emerging-market retail and, practically, prioritizes leadership development, recognition, and career pathways, and flexible, fair scheduling as high-return interventions. Overall, building a motivated workforce through supportive leadership and appropriate rewards measurably lifts employee effectiveness and organizational outcomes. For Sri Lankan FMCG retailers, implementing these practices can lift front-line productivity, service quality, and retention outcomes closely linked to sales conversion and store profitability, while peer-support initiatives may yield indirect benefits such as engagement rather than direct performance gains.