Final answer:
Debriefing occurs after the completion of a lab experiment and involves providing participants with information about the study and answering their questions.
Step-by-step explanation:
The debriefing stage in a lab experiment occurs after the experiment is completed and the data has been analyzed. During this stage, researchers provide participants with information about the purpose of the study, the procedures that were used, and any potential risks or benefits involved. This allows participants to gain a better understanding of the study and ask any questions they may have.