In a research report, sources must provide information that is:
1. **Relevant**: This means that the information from the sources should directly address or be connected to the research question being investigated. It's important that the sources offer content that is on-topic and applicable to the study being conducted.
2. **Credible**: The sources used in a research report must be considered reliable and trustworthy. This credibility can be assessed by looking at the author's qualifications, the publication where the information is sourced, and whether the information is supported by evidence or research.
3. **Supported**: The information provided by the sources should be backed up with evidence, data, or other sources that confirm its validity. It's essential to support the claims made in a research report with solid backing to ensure the accuracy and integrity of the study.
4. **Accurate**: The sources should provide information that is correct and free from errors or biases. It's crucial for a research report to rely on accurate data and facts to draw valid conclusions and maintain the integrity of the study.