Answer:
Inattentional blindness.
Step-by-step explanation:
Different types of visual awareness are repetition blindness, visual making and change blindness. The inattentional blindness is quite distinct from the other visual awareness.
Inattentional blindness may be defined as the process of the failure without notice the fully and clearly visible but the unexpected object. This might occur because the individual is involved in other task. Lan has paid no attention on reading beacuse she was involved in other task clearly indicates the inattentional blindness.
Thus, the answer is inattentional blindness.