What should a researcher do regarding the reuse of previously published material?

A researcher must obtain permission and inform relevant parties when reusing previously published material to ensure compliance with copyright laws and ethical standards. This practice respects the intellectual property rights of the original authors and publishers. Even if the material is one's own work, permission may still be necessary depending on the terms under which the original material was published.

Additionally, informing relevant parties, such as co-authors, the institution, or the publisher, helps maintain transparency and accountability in research. It fosters collaborative practices and upholds the integrity of the research community.

Using material without permission, even if it is one's own, can lead to legal issues and undermine the trust necessary for ethical research practices. Therefore, seeking permission and notifying stakeholders is the most responsible approach to reusing previously published work.