Answer:
Because she expects to see letters forming words and words forming sentences, her perception of the written works is guided by perceptual processing.
Step-by-step explanation:
The perceptual process is the psychological steps that Dr. Hsieh uses to organize and interprete diverse information from the essays. She uses her perception of the wirtten works to select objects (words), she organizes them (sentences), she interprets the perceptions (she understands/reads the written idea).