Answer:
Suggestibility
Step-by-step explanation:
Suggestibility: In psychology, the term "suggestibility" is defined as the phenomenon through which an individual's quality of getting inclined towards acting or accepting different suggestions of another person. An individual tends to fulfill gaps in his or her memories with some sort of false piece of information that is being provided to him or her by another individual when he or she is trying to recall a particular moment or scenario.
In the question above, Alex’s testimony at the trial shows the influence of suggestibility.