This study examines the effect of Production Technology Automation and Labor Productivity on Production Efficiency at PT Superior Porcelain Sukses. The research employed a quantitative causal-associative design. From 125 responses collected, 12 responses were excluded during screening because they showed identical response patterns, resulting in 113 valid respondents. The data were analyzed using validity and reliability tests, classical assumption tests, multiple linear regression, t-test, F-test, correlation, and coefficient of determination. The results indicate that Production Technology Automation has a positive and significant effect on Production Efficiency (B=0.312; t=6.750; p<0.001), while Labor Productivity also has a positive and significant effect (B=0.433; t=9.580; p<0.001). Simultaneously, both independent variables significantly affect Production Efficiency (F=73.109; p<0.001), with R Square=0.572. A sensitivity check using quadratic terms did not provide sufficient evidence to replace the linear model; therefore, the main linear model was retained while the reported linearity concern is acknowledged.
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