1. Unreasonable research design: research design is the basis of the paper. If the design is unreasonable, the experimental results may be unreliable or unexplained. For example, the sample size is insufficient, the setting of the control group is unreasonable, and the experimental method is inaccurate.
2. Data quality: Data quality is the core of the paper. If there is something wrong with the data, the conclusion may be unreliable. For example, incomplete data collection, inaccurate data processing and inappropriate data analysis methods.
3. The structure of the paper is chaotic: the structure of the paper should be clear, including introduction, methods, results and discussion. If the structure is chaotic, readers may not be able to understand the author's views and conclusions.
4. Unclear language expression: Language expression is an important part of the paper. If the language is not clear, readers may not be able to understand the author's meaning. Such as grammatical mistakes, spelling mistakes, improper use of words, etc.
5. Insufficient literature review: Literature review is an important part of the paper. If the literature review is insufficient, readers may not be able to understand the latest progress and research status in this field.
6. Insufficient innovation: SCI papers are required to be innovative. If they are not innovative enough, they may be rejected. For example, the research content repeats the existing research, and the research method is not innovative.