就业焦虑是指个体在面临选择和未来职业发展方向时感到的不安、担忧和压力。过往的研究表明，过度的就业焦虑会使让人很难集中精力处理好与就业相关的问题，使个体的就业能力不能得到充分的发挥。这不仅会降低他们的就业质量，还可能使他们产生自我否定和抑郁等问题，严重危害他们的身心健康。而歧视知觉，作为一种个体对自己及自己所属的群体受到了来自外界的消极评价或不公正对待的知觉，也是影响心理健康的重要来源，会在一定程度上对非全日制研究生这个特殊群体的就业焦虑产生影响。本文将相对剥夺感和核心自我评价作为中介变量，探究歧视知觉的高低是如何对非全日制研究生的就业焦虑产生影响，以及相对剥夺感和核心自我评价是否在其中起到链式中介的作用。
本文采用问卷调查的研究方法，使用前人所编制的成熟量表《非全日制研究生就业歧视知觉量表》《相对剥夺感量表》《核心自我评价量表》以及《硕士研究生就业焦虑问卷》向全国326名非全日制研究生发放问卷，并利用统计方法对回收的数据进行非全日制研究生的心理健康状况的调查与假设模型的检验，最后得出的研究结论如下：
首先，非全日制研究生的歧视知觉、相对剥夺感与就业焦虑总分均呈现极高水平，非全日制研究生的核心自我评价呈现中等水平。
其次，非全日制研究生歧视知觉在学科类别、性别和是否在职变量上存在显著性差异；非全日制研究生就业焦虑在性别与是否在职上具有显著的差异；非全日制研究生相对剥夺感在性别和学科类别变量上存在显著差异；非全日制研究生核心自我评价在性别和是否在职变量上具有显著的差异。
还有，非全日制研究生歧视知觉显著正向影响就业焦虑。
最后，相对剥夺感在非全日制研究生歧视知觉与就业焦虑呈现部分中介作用，核心自我评价在非全日制研究生歧视知觉与就业焦虑呈现部分中介作用，歧视知觉-相对剥夺感-核心自我评价-就业焦虑的链式中介模型成立。
根据以上研究结果得出结论，歧视知觉越高，相对剥夺感越强，核心自我评价越低，进而影响非全日制研究生就业焦虑的增强。基于上述结论，本研究从社会和个人两个角度提出了加强政策监管以及改变个体心态等若干建议，从而降低非全日制研究生这一特殊群体的就业焦虑，保持良好的心理健康水平。

Employment anxiety refers to the uneasiness, worry and stress that individuals feel when facing choices and future career directions. Past studies have shown that excessive employment anxiety can make it difficult for college students to concentrate on employment-related issues, preventing them from fully utilizing their employability. This will not only reduce their employment quality, but also may cause college students to develop problems such as self-denial and depression, which seriously jeopardize their physical and mental health. And discrimination perception, as a kind of individual's perception that he or she and the group he or she belongs to have been negatively evaluated or unfairly treated from the outside world, is also an important source of influence on mental health, which will, to a certain extent, have an impact on the employment anxiety of part-time postgraduates, a special group of postgraduates. This paper takes relative deprivation and core self-evaluation as mediating variables to explore how the level of discrimination perception has an impact on the employment anxiety of part-time graduate students, and whether relative deprivation and core self-evaluation play the role of chain mediation in it.
This paper adopts the research method of questionnaire survey, using the mature scales developed by previous researchers, the Perception of Discrimination in Employment Scale for Part-time Graduate Students, the Relative Deprivation Sense Scale, the Core Self-Esteem Scale, as well as the Master's Degree Graduate Students Employment Anxiety Questionnaire to 326 part-time graduate students nationwide, and utilizes the statistical method to investigate the psychological health status of part-time graduate students by using the recovered data with the test of the hypothesized model, and finally the research conclusions are as follows:
（1）Part-time graduate students' perceptions of discrimination as well as the total scores of relative deprivation and employment anxiety show extremely high levels, and part-time graduate students' core self-evaluation shows medium levels.
（2）Part-time graduate students' discrimination perceptions have significant differences in the variables of discipline category, gender and whether they are in the workforce; part-time graduate students' employment anxiety has significant differences in gender and whether they are in the workforce; part-time graduate students' relative deprivation has significant differences in the variables of gender and discipline category; part-time graduate students' core self-evaluation has significant differences in the variables of gender and whether they are in the workforce.
（3）Part-time graduate students' discrimination perceptions significantly and positively affect employment anxiety.
（4）Relative deprivation presents a partial mediating role in discrimination perception and employment anxiety of part-time graduate students, core self-evaluation presents a partial mediating role in discrimination perception and employment anxiety of part-time graduate students, and the chain mediation model of discrimination perception-relative deprivation-core self-evaluation-employment anxiety is established.
Based on the above findings, it is concluded that the higher the discrimination perception, the stronger the sense of relative deprivation, and the lower the core self-evaluation, which in turn affects the elevation of employment anxiety of part-time graduate students. Based on the above conclusions, this study puts forward a number of suggestions to strengthen the policy regulation and change the individual's mindset from both the social and individual perspectives, so as to reduce the employment anxiety of part-time graduate students, a special group, and to maintain a good level of mental health.