This how it works covers How Stevenson Structures the Duality Argument within Theme: Duality & Identity for GCSE English Literature. Revise Theme: Duality & Identity in The Strange Case of Dr Jekyll and Mr Hyde for GCSE English Literature with 10 exam-style questions and 15 flashcards. This topic shows up very often in GCSE exams, so students should be able to explain it clearly, not just recognise the term. It is section 9 of 17 in this topic. Use this how it works to connect the idea to the wider topic before moving on to questions and flashcards.
⚙️ How Stevenson Structures the Duality Argument
The Level 5 move on a duality question is to recognise that Stevenson does not just depict duality — he structures the entire novella as its proof. Every formal decision is an argument about the thesis.
The frame narrative embodies duality: we receive multiple incomplete perspectives (Enfield, Utterson, Lanyon, Jekyll) because no single narrative can contain the whole truth. The novella's form enacts what Jekyll's experiment discovers — the self cannot be seen from inside itself.
The spatial structure maps duality onto Victorian geography. Jekyll's respectable front door faces the street; Hyde's back door (in the same building) opens onto the foggy alley. The same house, two faces. Stevenson makes the Victorian townhouse a moral diagram: the architecture of respectability always had a back entrance.
The mystery structure — secrets withheld, then revealed — is itself a duality argument: the novella has a public face (the mystery story of Mr Hyde) and a private truth (Jekyll's statement). Stevenson makes the reader experience the same thing Utterson experiences: seeing the surface, not understanding what lies beneath, then having the whole inverted.
The deepest structural move is Stevenson's use of Darwinian science as the duality's engine. By making Hyde plausibly biological — atavistic, physically growing — Stevenson argues that the "beast within" is not Gothic fantasy but scientific fact. The reader cannot dismiss Jekyll's experiment as supernatural. It is too close to the real.
Quick Check: Stevenson uses a frame narrative — multiple documents and narrators telling the story. How does this formal choice itself argue the theme of duality?
Stevenson structures the narration so that no single perspective can contain the full truth — Enfield, Utterson, Lanyon, and Jekyll each see only a part of the picture. This formally enacts the novella's thesis: the self cannot be known from the outside, and even from the inside (Jekyll's Full Statement) it is self-deceiving. The frame narrative is not a Gothic convention — it is Stevenson's argument that duality cannot be held in a single, unified account.
Practice questions for Theme: Duality & Identity
Which of the following is Jekyll's central thesis about human nature, as stated in Chapter 10?
Identify one technique Stevenson uses in Jekyll's thesis — 'Man is not truly one, but truly two' — and explain what it achieves. (2 marks)