When Alex reports Meredith's behavior to the lead researcher, his actions best demonstrate the concept of Whistleblowing.
Whistleblowing refers to disclosure of information which is perceived as wrong, corrupt, illegal, fraudulent to the necessary department designed to accept such complaints.
Here, Alex discovers that Meredith altered the data from their experiment to facilitate easy conclusion of their work.
The action of Alex by reporting the situation to the lead researcher is known as whistleblowing.
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