Dramatic irony was the technique that was used by the Priestley when mr birling makes so many errors of judgement in his speech.
The dramatic irony is a literary technique in which the reader's consciousness of a psychological feature or characters in a work surpasses that of the fictitious character.
When Mr. Birling makes so many errors of judgement in his speech, the Priestley use dramatic irony as a device.
Therefore, the technique that was used by the Priestley is Dramatic irony.
Learn more about the Dramatic irony, refer to:
https://brainly.com/question/1399387
#SPJ4
