标题（Title）：应简洁明了地概括论文核心内容，一般不超过 12 个单词，置于页面顶端居中位置，字体为 Arial 或 Times New Roman，字号 14 号加粗。例如：“The Impact of Social Media on Adolescent Mental Health”。
作者姓名（Author Name）：位于标题下方，居中，字体字号同标题。若有多位作者，以逗号分隔。如：“John Doe, Jane Smith”。
学校名称（University Name）：学校的正式名称，位于作者姓名下方，居中，字体字号同前。例如：“University of California, Los Angeles”。
页眉（Header）：在页面顶端右侧，使用 Running head: 加上论文标题的简短版本（不超过 50 个字符），全部大写，字体为 Arial 或 Times New Roman，字号 12 号。如：“RUNNING HEAD: SOCIAL MEDIA AND ADOLESCENT MENTAL HEALTH”。页码从标题页开始，置于页眉右侧，字体字号同页眉文字。
摘要（Abstract）
摘要内容：单独成页，“Abstract” 一词作为标题，居中，字体为 Arial 或 Times New Roman，字号 12 号加粗。摘要内容为一段，不超过 250 字，用双倍行距，字体字号同正文（一般为 12 号）。摘要应简要概括论文的目的、方法、主要结果和结论，让读者快速了解论文核心要点。例如：“This study aimed to explore the relationship between social media use and adolescent mental health. A survey was conducted among 500 high school students, and data were analyzed using correlation and regression analyses. The results showed a significant negative correlation between excessive social media use and mental well - being, suggesting that appropriate regulation of social media use may be beneficial for adolescent mental health.”
1.2 Research Questions............................................... 3
2. Literature Review................................................ 5
2.1 Previous Studies on Social Media................................ 5
2.2 Theories Related to Adolescent Mental Health....................... 7
引言（Introduction）
标题：“Introduction” 作为一级标题，顶格，字体为 Arial 或 Times New Roman，字号 12 号加粗。
内容：引言部分主要阐述研究背景，说明为何进行该研究，引出研究问题或假设。介绍前人相关研究的不足，突出本研究的必要性和创新性。一般占论文篇幅的 10% - 15%。例如：“In the digital age, social media has become an integral part of adolescents' lives. However, despite its widespread use, the impact of social media on adolescent mental health remains a subject of intense debate. Previous studies have mainly focused on either the positive or negative aspects, lacking a comprehensive understanding. This study aims to fill this gap by examining the complex relationship between social media use and adolescent mental health.”
文献综述（Literature Review）
标题：“Literature Review” 为一级标题，顶格，字体字号同前。
内容：系统梳理与研究主题相关的已有文献。可按时间顺序、研究方法或主题领域进行分类综述。对重要研究进行批判性分析，总结已有研究的主要观点、研究方法和结论，指出其优点和局限性。在引用文献时，需遵循 APA 格式要求，如（Doe & Smith, 2020）。例如：“Smith (2018) found that excessive social media use was associated with increased anxiety levels in adolescents. However, the study only considered the quantity of use and ignored the quality of social interactions on social media platforms. Doe et al. (2020) addressed this limitation by analyzing both the time spent on social media and the nature of online relationships, but their sample size was relatively small.”
研究方法（Methods）
标题：“Methods” 作为一级标题，顶格，字体字号同前。
研究设计（Research Design）：说明研究采用的是实验研究、调查研究、案例研究还是其他设计类型，并阐述选择该设计的原因。例如：“A cross - sectional survey design was employed in this study to collect data from a large number of adolescents at a single point in time. This design was chosen as it allows for the examination of relationships between variables without the need for long - term follow - up.”
研究对象（Participants）：描述研究对象的特征，包括年龄、性别、种族、样本数量等。说明如何选取研究对象，如随机抽样、分层抽样等。例如：“A total of 500 high school students aged 14 - 18 years old were recruited from three different schools in the city. The sample was selected using stratified random sampling to ensure representation of different grade levels and genders.”
研究工具（Research Instruments）：介绍用于收集数据的工具，如问卷、量表、实验设备等。说明工具的信度和效度情况，如有相关验证研究需引用。例如：“The Adolescent Mental Health Scale (AMHS) was used to measure the mental health status of participants. This scale has been widely used in previous studies and has demonstrated good reliability (Cronbach's alpha = 0.85) and validity (Doe, 2015). A self - developed social media use questionnaire was also administered to assess the frequency, duration, and types of social media use.”
数据收集过程（Data Collection Procedure）：详细描述数据收集的具体步骤，包括如何发放和回收问卷（或进行实验操作），是否有培训环节，数据收集的时间和地点等。例如：“Trained research assistants visited the selected schools during class time. The questionnaires were distributed to students, and they were given 30 minutes to complete them. After completion, the questionnaires were collected immediately. The data collection process took place over a period of two weeks.”
数据分析方法（Data Analysis Methods）：说明将使用何种统计分析方法对数据进行处理，如描述性统计分析、相关性分析、回归分析等，并解释选择这些方法的依据。例如：“Descriptive statistics, including means, standard deviations, and frequencies, were used to summarize the data. Pearson correlation analysis was conducted to examine the relationship between social media use and adolescent mental health. Multiple regression analysis was employed to determine the predictors of mental health among adolescents.”
研究结果（Results）
标题：“Results” 作为一级标题，顶格，字体字号同前。
内容：以清晰、有条理的方式呈现研究数据的分析结果。先使用文字描述主要结果，再配合图表（如柱状图、折线图、表格等）直观展示数据。在描述结果时，要提及统计检验的结果（如 t 值、F 值、p 值等），并按照 APA 格式要求进行表述。例如：“The results of the correlation analysis showed a significant negative correlation between social media use frequency and adolescent mental health (r = - 0.35, p < 0.01). As shown in Table 1, students who used social media more frequently had lower scores on the AMHS. Figure 1 presents the distribution of social media use frequency among different age groups.”
表（Table）：每个表都应有编号（如 Table 1）和标题，置于表上方，字体为 Arial 或 Times New Roman，字号 12 号。表内数据应准确、清晰，小数点对齐。例如：
Table 1: Relationship between Social Media Use Frequency and AMHS Scores | Social Media Use Frequency | Mean AMHS Score | Standard Deviation | | --- | --- | --- | | High | 35.23 | 5.12 | | Medium | 42.56 | 4.87 | | Low | 48.91 | 4.56 |
Figure 1: Distribution of Social Media Use Frequency among Different Age Groups （此处插入相应的柱状图或其他合适的图表）
讨论（Discussion）
标题：“Discussion” 作为一级标题，顶格，字体字号同前。
主要发现总结（Summary of Main Findings）：简要回顾研究的主要结果，与研究问题或假设相呼应，说明结果是否支持预期。例如：“The results of this study demonstrated a significant negative relationship between excessive social media use and adolescent mental health, which is consistent with our initial hypothesis. Adolescents who spent more time on social media were more likely to experience lower levels of mental well - being.”
结果解释（Interpretation of Results）：对研究结果进行深入解释，分析为何会出现这样的结果，结合相关理论和前人研究进行阐述。例如：“According to the social comparison theory, adolescents on social media often compare themselves with others, leading to feelings of inadequacy and low self - esteem. The excessive exposure to idealized images on social media may contribute to this phenomenon, which could explain the negative impact on mental health found in our study.”
研究的局限性（Limitations of the Study）：诚实地指出研究存在的局限性，如样本的局限性（样本量小、样本选取范围窄等）、研究方法的不足（问卷设计可能存在偏差、研究时间短等）。例如：“One limitation of this study is the cross - sectional design, which cannot establish causal relationships between variables. Future research could use a longitudinal design to better understand the causal mechanisms. Additionally, the sample was only selected from a few schools in one city, limiting the generalizability of the results.”
研究的意义和未来研究方向（Implications and Future Research Directions）：阐述研究结果对理论发展和实践应用的意义，如对相关理论的补充、对教育或心理健康干预的启示等。提出未来研究可以进一步探讨的问题和方向。例如：“The findings of this study have important implications for schools and parents. Schools could provide education programs on healthy social media use, and parents should monitor their children's social media activities. Future research could focus on developing effective interventions to reduce the negative impact of social media on adolescent mental health and explore the role of different types of social media platforms in more detail.”
结论（Conclusion）
标题：“Conclusion” 作为一级标题，顶格，字体字号同前。
内容：总结论文的核心要点，再次强调研究的主要发现和贡献。简要概括研究对该领域的意义，对未来研究提出展望。例如：“In conclusion, this study has provided evidence of the negative impact of excessive social media use on adolescent mental health. By highlighting this relationship, it contributes to the growing body of knowledge in this area. Future research should continue to explore ways to promote healthy social media use among adolescents and further understand the complex mechanisms involved.”
参考文献（References）
标题：“References” 居中，字体为 Arial 或 Times New Roman，字号 12 号加粗。
内容：列出论文中引用的所有文献，按照作者姓氏的字母顺序排列。每条文献的格式遵循 APA 格式要求。例如：
Doe, J. (2015). The impact of social media on youth mental health. Journal of Adolescent Psychology, 25(3), 123 - 135.
Smith, A., & Johnson, B. (2020). Social media use patterns among adolescents. Social Science Quarterly, 40(2), 234 - 248.
附录（Appendices，如有需要）
标题：每个附录都有单独的标题，如 “Appendix A”“Appendix B” 等，居中，字体为 Arial 或 Times New Roman，字号 12 号加粗。
