Answer:
the false consensus effect.
Step-by-step explanation:
False consensus effect: In psychology, the term "false consensus effect" is also denoted as "consensus bias" and is determined as a pervasive 'cognitive bias' related to the social inferences, that an individual tends to see his or her own judgements and behavioral choices as appropriate and comparatively common to the existing conditions or circumstances.
In the question above, the given statement signifies the false consensus effect.