The Case of the Sharp-Eyed Jeweller — Detective Fiction Analysis: 16 MCQs with answers

Observation is a trained skill, not an innate talent.

The story's central idea is that careful observation is a skill developed through habit and expertise, not a natural gift.

Nicolas Bentley

The story is by Nicolas Bentley, as stated in the source material.

Habit and professional expertise

The jeweller solves the case through habit and expertise, not through formal authority or luck.

A small, ordinary detail hidden in plain sight

The clue is small, ordinary, and easy to overlook — it is hidden in plain sight.

True

*The Case of the Sharp-Eyed Jeweller* is a detective story by **Nicolas Bentley** whose central method is **trained observation** rather than formal investigation.

Checking what is seen against what should be there

Comparative judgement means checking what is seen against what should be there, a skill the jeweller uses daily with stones.

Fair-play: the reader has access to the same clues as the jeweller.

The story is fair-play: every clue the jeweller uses is available to the reader, though disguised as ordinary.

Setup, discrepancy, resolution

The plot unfolds in three movements: setup (ordinary scene), discrepancy (something wrong), and resolution (suspicion tested).

It signals reasoning and inference rather than violence.

The word 'case' signals that the story is about a problem to be reasoned through, not about violence or sensation.

Ratiocinative detective fiction

The story belongs to ratiocinative detective fiction, where the pleasure is in following the reasoning.

The method — trained looking

The title names the method — trained looking — rather than merely describing the character.

The detective has authority but may overlook the ordinary; the jeweller has a trained eye but no formal power.

The contrast is deliberate: the detective has authority and access but can overlook the ordinary, while the jeweller has a trained eye but no formal power.

Expertise transfers across domains — habits from one trade can solve problems in another.

The story shows that the habits of one trade (jewellery) can be applied to solve a problem in another domain (crime).

By the ordinariness of the clue — readers skim past what seems unremarkable.

The reader is misled because the clue is presented as ordinary background detail, and readers tend to skim past such details.

Treating him as a lucky amateur rather than someone whose success is earned by habit.

A frequent misreading is that the jeweller simply happens to be in the right place; his success is actually earned by habit, not coincidence.

Specific and comparative, not vague hunches

The jeweller's observations are specific and comparative — he says what does not match what, which is the difference between a hunch and a deduction.