With in the structure of the play Ibsen uses this parallel situation to highlight certain aspects of each character, for example the sobriety of Christine to the careless child like manner of Nora.
Ibsen uses many different styles of from and structure to make sure the audience is grasped by his play. He himself is a naturalistic writer which is witnessed in the composition .
He calls his play ：a tragedy of the contemporary age； as he was one of the first to write about the lives of modern ordinary people in prose, though in fact there are many aspects to the play that contain other theatrical devices.
TRADITIONAL TRAGEDY In classical tragedy the protagonist has a intrinsically tragic flaw that will inevitably lead to his/her death (this could be the death of the old Nora, but generally in modern tragedy the flaw does not always lead to death and the hero is usually the victim of corruptions and restrictions in his/her society) On stage during the period which makes change, the character displays a side of the personality that the audience has never seen, such as Nora becoming mature and sensible.
THE WELL MADE PLAY Exposition - coincidence - revelation - resolution.
One of Ibsen・s most shocking strategy in the text is his apparent indifference to the use of the widely accepted ．well made play・, though in fact the first and third orders of the WMP can not be ignored (unless the audience stay uninformed and ignorant though out the first and seconded act) and are utilized by Ibsen in a way any other play write of the day might. The second is used for massive effect to the plot for example it is a great coincidence that Krogstad is a long lost love of Christine and has committed a crime not dissimilar to the one we are condemning her for...