Answer:
Change blindness.
Step-by-step explanation:
Change blindness can be referred to a phenomenon of change that occurs in the physical realm and the observer is unaware of it. In this, the observer finds it difficult to notice the large changes that occurred in the visual because the attention of the observer was not on it.
In the given case, unable to notice the major changes in the editing of a scene in the movie is an example of change blindness. The detection of this phenomenon of change blindness was first noticed by William James, who, in his book 'Principles of Psychology' mentioned about it.
So, the correct answer is change blindness.