Penelitian ini bertujuan untuk mengetahui apakah ada pengaruh antara beban kerja dan stres kerja baik secara parsial maupun simultan terhadap prestasi kerja karyawan PT. Perkebunan Nusantara III (Persero) Medan. Populasi dalam penelitian ini adalah jumlah karyawan produksi dengan 51 responden. Persamaan regresi linier berganda yang diperoleh dari hasil pengujian adalah Y = 6,107 + 0,348 X_1 + 0,445 X2 + ei. Berdasarkan hasil uji F diketahui bahwa nilai Fhitung sebesar 80,422 Ftabel 3,19 dengan taraf signifikansi 0,000 < 0,05 sehingga keputusan Ho diambil dan H1 diterima. Artinya secara simultan beban kerja dan stres kerja berpengaruh positif dan signifikan terhadap prestasi kerja karyawan PT. Perkebunan Nusantara III (Persero) Medan. Variabel stres kerja merupakan variabel yang paling berpengaruh terhadap prestasi kerja karyawan PT. Perkebunan Nusantara III (Persero) Medan. Koefisien determinasi (R Square) sebesar 0,770 artinya prestasi kerja dapat dijelaskan oleh beban kerja dan stres kerja sebesar 77% sedangkan 23% dipengaruhi oleh faktor lain yang tidak termasuk dalam penelitian ini. Dari hasil penelitian dan pembahasan, PT. Perkebunan Nusantara III (Persero) Medan selanjutnya harus mengurangi beban kerja dan memperbaiki kondisi kerja

This study aims to examine and analyze the effect of work experience, motivation and work ability on the performance of employees of PT. PLN (Persero) ULP Berastagi. The population in the research amounted to 42 people, due to the small number of populations, the researcher used the entire of the population as the sample. Data was collected through documentation studies, distributing the questionnaires and interviews. Analysis of the data in this research using SPSS version 23. The sampling technique that used is the saturated sampling method. The analytical technique that used in this research is multiple linear regression analysis, t test, F test and coefficient of determination but first, the validity and reliability tests are carried out.. From the results of the partial test, the t-test value for the Work Experience variable is 3.296> ttable 1.68595 with a significance level of 0.002 < (0.05) so that, H0 is rejected and H1 is accepted. It means, work experience has a positive and significant effect on employee performance. The t-test value for the variable motivation is 4.212> t-table 1.68595 with the level of significance of 0.000 < (0.05) so that H0 is rejected and H1 is accepted. It means, motivation has a positive and significant effect on employee performance and the t-test value for the Workability variable is 2.493> ttable 1.68595 with a significance level of 0.017 < (0.05) so that H0 is rejected and H1 is accepted. It means, work ability has a positive and significant effect with the performance of employees of PT. PLN (Persero) ULP Berastagi.The result of the discussion, it is obtained that the multiple linear regression equation is Y = 3.803 + 0.299X1 + 0.491 X2 + 0.269X3 + e. The results of the analysis show that work experience, motivation and work ability have a positive effect on employee performance at PT. PLN (Persero) ULP Berastagi. The coefficient of determination of 0.752 is equal to 75.2%. It means that the Employee Performance variable can be explained by the variables of work experience, motivation and work ability of 75.2%, the rest 24.8% is explained by other variables which not included in this research.

This study aims to determine the effect of leadership style, job characteristics and job satisfaction on the performance of nurses at Mitra Sejati Hospital Medan. Data were obtained directly from respondents (nurses) at Mitra Sejati Hospital Medan. The total population of this study was 82 people and the number of samples through the census was 82 people. The analysis technique used in this research is multiple linear regression, descriptive analysis and hypothesis testing. The results of this study indicate that the variables of leadership style, job characteristics and job satisfaction simultaneously (simultaneously) have a positive and significant effect on the performance of nurses at Mitra Sejati Hospital Medan. While partially shows that leadership style has a positive and significant effect on the performance of nurses at Mitra Sejati Hospital Medan with a regression coefficient value of 0.232 and a significance value of 0.001 <= 0.05 (smaller than the error tolerance value). Job characteristics have a positive and significant effect on the performance of nurses at Mitra Sejati Hospital Medan with a regression coefficient value of 0.321 and a significance value of  0.000 0.05 (smaller than the error tolerance value). Job satisfaction has a positive and significant effect on the performance of nurses at Mitra Sejati Hospital Medan with a regression coefficient value of 0.267 and a significance value of 0.013 <=0.05 (greater than the error tolerance value).

This study aims to 1. Determine whether the level of education, income and type of work has a positive and significant effect on the performance of the employees of the Cooperative CU Cinta Kasih Tigapanah Kab. Karo; 2. Knowing which factors are the most dominant influence on the performance of employees of the Cooperative CU Cinta Kasih Tigapanah Kab. Karo Data collection techniques carried out through interviews, documentation and questionnaires. The study population was all employees of the Cooperative CU Cinta Kasih Tigapanah Kab. Karo numbering 200 people (July 2019). The sampling technique uses Proportional Random Sampling where the research sample is taken from each work field in the Cooperative CU Cinta Kasih Tigapanah Kab.Karo. Based on the results of the F test it is known that the value of Fcount is 44,291> Ftable 3,145 with a significance level of 0,000

This study aims to see the development of assets, profit / loss and observe financial ratios as projected financial performance of PT Perkebunan Nusantara III (PTPN III) Medan for the last 3 years ie the period of 2010 until 2012. From the results of vertical analysis known factors Causing the fluctuation of PTPN III financial ratios are: a) Liquidity increases due to the decrease in short-term liabilities; B) Solvency increases as a result of the increase in total debt; C) The creditability of accounts receivable collectability has improved; D) The profitability of a company decreases due to lower net income, increased assets and equity; E) Declining profitability is caused by the global economic crisis. While the results of comparison analysis are: 1) Current assets increased in 2011 and decreased in 2012 resulting from a reduction in cash, cash equivalent of third party receivables; 2) Fixed assets due to increased ownership of facilities / infrastructure and buildings; 3) Short-term debt increased in 2011 but decreased in 2012 due to decreased contractor debt, tax debt and bank debt; 4) Long-term debt increased due to increased deferred employee benefits and deferred tax liabilities; 5) Increased equity caused by increased issued and paid-up capital of the company; 6) Reduced net sales of palm oil, rubber and palm kernel and its derivatives due to falling selling prices; 7) Net income increased in 2011 but in 2012 is reduced and far from the planned company.