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Design Culture & Aptitude Journal

PrepLog.

A place to cultivate the designer's mind.

Design entrance exams test what you answer. PrepLog teaches you how to see. Explore the 8 cognitive frameworks hiding behind everyday objects, spaces, human bodies, and ethical choices.

01. VISUAL HIERARCHY 02. COLOR & SEMIOTICS 03. HUMAN-CENTRED DESIGN 04. DESIGN ETHICS 05. OBSERVATION 06. DESIGN PSYCHOLOGY 07. CURIOSITY & POLYMATH 08. BEHAVIOURAL DESIGN
VISUAL HIERARCHY
01 / 08 • 4 min read

Visual Hierarchy & The Attention Economy

Visual Perception & Composition

Visual hierarchy is the deliberate arrangement of elements so the eye moves through them in an intentional order. In an attention economy, human focus is the scarcest resource.

Study Framework Breakdown
✓ What is it ✓ Why design treats it ✓ Why study it ✓ Real example ★ Exam Tip
Entrance Exam Insight

"In composition or layout questions, annotate what the eye sees first, second and third, and say which tool (size, contrast, position) creates that order."

#Visual hierarchy #Attention economy #Scanning patterns
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COLOR & SEMIOTICS
02 / 08 • 5 min read

Color Psychology & Cultural Semiotics

Visual Signals & Cultural Codes

Colour is both a biological signal and a cultural language. Discover why 'universal' color meanings break down across cultures and how designers navigate semiotic codes.

Study Framework Breakdown
✓ What is it ✓ Why design treats it ✓ Why study it ✓ Real example ★ Exam Tip
Entrance Exam Insight

"Never call a palette 'neutral'. State who it is for, what the colours mean in their culture, and how it works for colour-blind users."

#Colour psychology #Cultural semiotics #Visual communication
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HUMAN-CENTRED DESIGN
03 / 08 • 5 min read

Anthropometry & The Tyranny of Average

Ergonomics & Anthropometry

Designing for the 'average person' means designing for nobody. Learn how percentiles, reach envelopes, and adjustability create products that fit real human bodies.

Study Framework Breakdown
✓ What is it ✓ Why design treats it ✓ Why study it ✓ Real example ★ Exam Tip
Entrance Exam Insight

"Always state the range you are designing for and why, such as 'from the 5th percentile female to the 95th percentile male', and add adjustability where one size cannot fit."

#Anthropometry #Ergonomics #Percentile design
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DESIGN ETHICS
04 / 08 • 5 min read

Dark Patterns & The Architecture of Deception

Behavioural Ethics & UX Law

Design is power. When interface choices manipulate mental shortcuts against user interests, persuasion becomes deception. Learn to spot and replace dark patterns.

Study Framework Breakdown
✓ What is it ✓ Why design treats it ✓ Why study it ✓ Real example ★ Exam Tip
Entrance Exam Insight

"In design-thinking questions, discuss the ethics of your solution and the unintended consequences, and show the honest alternative to any pushy pattern."

#Dark patterns #Design ethics #User autonomy
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OBSERVATION
05 / 08 • 4 min read

Observation: The Designer's First Skill

Design Research & Field Insight

Observation is deliberate, structured looking. Learn to spot workarounds, friction points, and desire paths that reveal unspoken design problems.

Study Framework Breakdown
✓ What is it ✓ Why design treats it ✓ Why study it ✓ Real example ★ Exam Tip
Entrance Exam Insight

"Keep a pocket sketchbook. Annotate your sketches with what you noticed (wear marks, grip, how the object is held), not just the outline."

#Observation #Visual perception #Everyday workarounds
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DESIGN PSYCHOLOGY
06 / 08 • 5 min read

The Psychology of "Stuff"

Material Culture & Emotional Attachment

Why do we keep things we do not use? Explore the endowment effect, the extended self, and how products become vessels of memory, identity, and status.

Study Framework Breakdown
✓ What is it ✓ Why design treats it ✓ Why study it ✓ Real example ★ Exam Tip
Entrance Exam Insight

"When you propose a product, say what will make someone keep it: durability, repairability, personalisation or memory."

#Design psychology #Endowment effect #Extended self
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CURIOSITY & POLYMATH
07 / 08 • 5 min read

Through the Eye of Leonardo da Vinci

Polymath Method & Saper Vedere

Saper vedere — knowing how to see. Discover how Leonardo fused art, engineering, and anatomy to sketch in order to think, not just to present.

Study Framework Breakdown
✓ What is it ✓ Why design treats it ✓ Why study it ✓ Real example ★ Exam Tip
Entrance Exam Insight

"Draw the same object from more than one angle and annotate how it works, the way he did. It shows the examiner that you understand the object, not just its outline."

#Leonardo da Vinci #Polymath thinking #Saper vedere
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BEHAVIOURAL DESIGN
08 / 08 • 4 min read

The IKEA Effect

Cognitive Bias & Co-Creation

When labor leads to love: people place disproportionate value on things they helped create. Learn how designers harness participation and effort.

Study Framework Breakdown
✓ What is it ✓ Why design treats it ✓ Why study it ✓ Real example ★ Exam Tip
Entrance Exam Insight

"When asked to design for engagement or attachment, propose one meaningful user contribution and explain why it builds ownership, while making sure the task is easy enough to finish."

#IKEA effect #Cognitive bias #Co-creation
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From Theory to Execution

Apply these 8 frameworks in practice simulations.

Our exam interface replicates the official IIT Bombay and NID test engine layouts. Test your visual perception, memory, and cognitive speed under authentic timing constraints.

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