Primary sources are original documents or direct evidence about an event, object, or phenomenon being studied. Examples: historical manuscripts, experimental data, interviews, original photographs. They are the foundation of research.

Plagiarism occurs when you present someone else's ideas, words, or results as if they were your own, without properly attributing the source. Paraphrasing without citation or direct copying are forms of plagiarism.

No. It is crucial to evaluate the authority, accuracy, objectivity, and timeliness of an online source. Academic resources (scientific journals, e-books) are usually more reliable than personal blogs.

A bibliography lists all sources consulted for a project. A reference list includes only the sources actually cited in the text. Always check the requirements of the writing style (APA, MLA, etc.).

An essential practice that involves finding the same information in multiple independent and reliable sources to confirm its truthfulness. Reduces the risk of spreading misinformation.