Abstract
The objective of this study was to analyze the differences in self-efficacy and optimism depending on the level of education, seniority in the organization, type of contract, age, and gender, of workers in the telecommunications sector. This was a comparative study using the Professional Self-Efficacy Questionnaire and the Life Orientation Test. 298 workers participated. Pearson's correlation coefficient was calculated, and a bivariate analysis was performed using the non-parametric Mann-Whitney U technique and the Kruskal-Wallis test. It was found that men, people with more seniority in the organization, and people over 36 years of age have higher scores in self-efficacy and optimism. Self-efficacy and optimism have a positive correlation. The implications of these findings are discussed.

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