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In the current teaching context, mathematics has become the most popular subject among all disciplines, and the establishment of mathematics teaching evaluation and feedback mechanisms is particularly important. The study constructs a feedback mechanism for mathematics teaching based on error analysis using the improved hierarchical analysis method and fuzzy comprehensive evaluation method. The mathematics teaching feedback mechanism and the traditional manual feedback mechanism are used to compare the performance of error analysis. Completely evaluating math teachers in Z-school using the math teaching evaluation index system. Compare the students’ math scores before and after the implementation of the math teaching feedback mechanism to explore the application effect of the feedback mechanism. The results show that the overall error of the math teaching feedback mechanism (1.12) is better than that of the traditional manual feedback mechanism (3.19), and the error fluctuation of the former is also smaller than that of the latter. The feedback results from the math teaching feedback mechanism are more accurate than the actual feedback results. The fuzzy comprehensive evaluation results of Teacher A are in the following order from highest to lowest: teaching method (93.069) > teaching content (92.531) > teaching objectives (91.645) > teaching effect (90.537) > teaching attitude (88.543). After the experiment of the math teaching feedback mechanism, the mean score of math achievement of the experimental group increased by 12 points. The control group decreased by 1.32 points, and the teaching feedback mechanism achieved significant results.

Employees' social media use in the workplace has become a common phenomenon. Thriving at work is a positive psychological state, and conventional wisdom and preliminary research on thriving at work indicate the benefits of thriving for both employees and organizations. However, few studies have linked social media use and employees' sense of thriving. Based on the socially embedded model of thriving at work, this paper explores the relationship between social media use and thriving at work, as well as the mediating role of knowledge sharing and the moderating role of locus of control. Mplus is used to analyze the data of 397 Chinese employees collected at two time points; the results show a significant positive impact of social‐related social media use on thriving at work. However, work‐related social media use was found to have no effect on thriving at work, though knowledge sharing mediates the relationship between social media use and thriving at work. In addition, locus of control moderates the relationship between work‐related social media use and thriving at work. [ABSTRACT FROM AUTHOR]