Cognitive Scaffold

Preparing your thinking workspace

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MENTAL MODEL · M2929

Skimmability

Skimmability
CreatemediumDesign Thinking
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Updated 2026-08-03

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INTRODUCTION

English translation pending.

CORE DEFINITION

Skimmability is a structural quality of writing and interface design: the document is built so that a reader moving quickly can still find the main points. It is achieved through a clear heading hierarchy, bolded key phrases, bulleted lists, short paragraphs, generous whitespace, and inverted-pyramid ordering that puts the conclusion first. The constraint is that skimmability concerns structure, not shallowness: a skimmable document must still be complete for the reader who does read it in full.

SCAFFOLDING EFFECT

psychology

Reduce cognitive load

- Reader Respect: assume the reader will scan, and make scanning sufficient to get the value. - Structure First: build the heading skeleton before writing the paragraphs. - Scan Path: verify the piece reads correctly when only headings and bold text are visible.

anchor

Anchor fast decisions

Under information overload readers sample rather than read, using visual cues to decide within seconds whether to continue. Headings, emphasis, and lists act as landmarks that let them skip, locate, and judge relevance without linear effort. A structure that supplies those landmarks therefore gets read more, and its key points are remembered better, than a denser text with identical content.

MINIMUM ACTION

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Source support: Explicit

  • link
    nngroup.comhttps://www.nngroup.com/articles/concise-scannable-and-objective-how-to-write-for-the-web/ZH · Explicit
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