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UCEED practice questions

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Question 1Design Aptitude (content domains not enumerated in source)

A designer places a small red square on a large green field. Viewed from a distance, the red square appears to advance toward the viewer. Which principle best explains this effect?

  1. Warm hues tend to appear closer while cool or dark hues recede Correct answer.
  2. Symmetry makes a shape appear to advance
  3. Smaller shapes always appear farther away than larger ones
  4. Brightness alone determines apparent distance regardless of hue

Explanation

This is the classic warm–advance, cool–recede phenomenon: saturated warm hues such as red tend to appear nearer, while greens and blues recede. Size and symmetry influence depth perception but do not override the hue effect described here.

Question 2Design Aptitude (content domains not enumerated in source)

An object is drawn with its top and bottom edges converging toward a point on the horizon. Which depth cue is being used?

  1. Overlap
  2. Texture gradient
  3. Linear perspective Correct answer.
  4. Motion parallax

Explanation

Linear perspective relies on parallel edges appearing to converge at a vanishing point on the horizon line. Texture gradient and overlap are separate depth cues that operate without converging lines.

Question 3Design Aptitude (content domains not enumerated in source)

In a composition, a shape is perceived as a figure against a background. Which pair of factors most strongly encourages a region to be read as the figure?

  1. Being enclosed and positioned lower in the frame
  2. Low contrast and blurred edges
  3. Being lighter than the surround and centrally symmetric
  4. Being smaller and more detailed than its surround Correct answer.

Explanation

Regions that are smaller, more detailed, enclosed and higher in contrast are more likely to be seen as figure rather than ground. Detail and relative size are strong, reliable figural cues in composition.

Question 4Design Aptitude (content domains not enumerated in source)

A poster uses only black, white and one saturated hue. Which term best describes this restricted colour strategy?

  1. Monochromatic accent scheme Correct answer.
  2. Triadic scheme
  3. Analogous scheme
  4. Complementary scheme

Explanation

A single hue used with black and white is a monochromatic accent approach: one chromatic family carries the colour interest while neutrals provide structure. Analogous, complementary and triadic schemes all require two or more distinct hues.

Question 5Design Aptitude (content domains not enumerated in source)

Which statement correctly describes the difference between a serif and a sans-serif typeface?

  1. Serif faces are only used for display; sans-serif faces are only used for body text
  2. Serif faces have small strokes at the ends of letterforms; sans-serif faces lack them Correct answer.
  3. Serif faces are always italic; sans-serif faces are always upright
  4. Serif faces have no terminals; sans-serif faces have decorative terminals

Explanation

The defining distinction is the presence of small finishing strokes, called serifs, at the ends of stems in serif faces; sans-serif faces omit them. Style, weight and usage are independent of this structural difference.

Question 6Design Aptitude (content domains not enumerated in source)

A layout uses a 12-column grid with a consistent gutter. Which outcome does this most directly support?

  1. Automatic increase in type size for readability
  2. Guaranteed visual symmetry in every spread
  3. Elimination of the need for margins
  4. Consistent alignment and rhythmic spacing across pages Correct answer.

Explanation

A column grid with regular gutters establishes repeatable alignment and spacing rhythm, helping multiple pages feel related. It does not guarantee symmetry, remove margins, or change type size by itself.

Question 7Design Aptitude (content domains not enumerated in source)

Which ratio is conventionally associated with the golden ratio?

  1. 1:1.732
  2. 1:2.000
  3. 1:1.618 Correct answer.
  4. 1:1.414

Explanation

The golden ratio is approximately 1:1.618, often denoted phi. The other values correspond to the root-two rectangle, the root-three rectangle and a simple doubling ratio.

Question 8Design Aptitude (content domains not enumerated in source)

A designer wants a layout to feel dynamic and unsettled. Which compositional choice best supports that intention?

  1. Strong diagonal emphasis with off-centre massing Correct answer.
  2. Equal spacing of all elements on a strict grid
  3. Perfect bilateral symmetry with centred massing
  4. A single small element placed dead centre

Explanation

Diagonals introduce implied motion and tension, and off-centre massing creates imbalance that reads as energy. Symmetry, equal spacing and dead-centre placement all produce stability and calm instead.

Question 9Design Aptitude (content domains not enumerated in source)

Which statement about additive and subtractive colour mixing is correct?

  1. Both systems produce identical results for the same three primaries
  2. Subtractive mixing combines light and can produce white
  3. Additive mixing uses pigments and produces darker results
  4. Additive mixing combines light and can produce white; subtractive mixing uses pigments and tends toward dark Correct answer.

Explanation

Additive mixing adds light wavelengths, so combining the primaries yields white; subtractive mixing removes wavelengths through pigments, tending toward black. The two systems have different primaries and different outcomes.

Question 10Design Aptitude (content domains not enumerated in source)

A product must be usable by people with red–green colour vision deficiency. Which design decision is most appropriate?

  1. Add text labels and shape or icon differences alongside colour Correct answer.
  2. Encode status only by red and green fill colours
  3. Increase saturation of the red and green to maximum
  4. Use a red–green gradient to signal levels

Explanation

Because red–green deficiency affects hue discrimination, redundant coding through text, icons or shape ensures information survives without colour. Relying on hue alone, even at high saturation or in gradients, remains unreliable.

Question 11Design Aptitude (content domains not enumerated in source)

Which statement about orthographic projection is correct?

  1. It represents a three-dimensional object by parallel projections onto planes Correct answer.
  2. It is used only for interior renders
  3. It uses converging lines to simulate human vision
  4. It shows three faces simultaneously to convey volume

Explanation

Orthographic projection projects an object onto planes using parallel lines, preserving true dimensions and angles on each view. Perspective projection, by contrast, uses converging lines to mimic vision.

Question 12Design Aptitude (content domains not enumerated in source)

In an isometric drawing, the three principal axes are typically spaced at which angles?

  1. 60° and 30° alternating
  2. 45° and 90° alternating
  3. 120° apart on the drawing plane Correct answer.
  4. 90° to each other

Explanation

Isometric projection draws the three axes 120° apart, giving equal foreshortening along each axis. This equal spacing is what distinguishes isometric from other axonometric and oblique views.

Question 13Design Aptitude (content domains not enumerated in source)

A designer sketches many quick variants of a lamp before refining one. What is this activity called?

  1. Rendering
  2. Ideation sketching Correct answer.
  3. Drafting
  4. Dimensioning

Explanation

Rapid exploratory sketching to generate and compare concepts is ideation sketching, an early divergent phase. Rendering, dimensioning and drafting are later refinement or documentation activities.

Question 14Design Aptitude (content domains not enumerated in source)

During user research, a designer observes people in a café to understand how they handle takeaway cups. Which method is being used?

  1. Observational field study Correct answer.
  2. Usability benchmark
  3. Focus group
  4. Survey questionnaire

Explanation

Watching behaviour in the real context is an observational field study, which captures actual practice rather than self-report. Surveys, benchmarks and focus groups rely on asking or measuring in controlled settings.

Question 15Design Aptitude (content domains not enumerated in source)

A prototype made from card and tape to test overall size and grip is best described as which type of model?

  1. Detailed production model
  2. Physical mock-up Correct answer.
  3. Digital simulation
  4. Scale architectural model

Explanation

A quick card-and-tape build is a physical mock-up used to evaluate rough form, scale and ergonomics early. It lacks the fidelity of a production model and is not a digital or architectural scale model.

Question 16Design Aptitude (content domains not enumerated in source)

Which sequence best matches a typical double-diamond design process?

  1. Develop, discover, deliver, define
  2. Define, deliver, discover, develop
  3. Discover, define, develop, deliver Correct answer.
  4. Deliver, test, discover, define

Explanation

The double diamond alternates divergent and convergent phases: discover and define form the first diamond, develop and deliver the second. The order moves from understanding the problem to delivering the solution.

Question 17Design Aptitude (content domains not enumerated in source)

A symbol on a control panel must be understood without words by users of many languages. Which approach is most appropriate?

  1. Use text in the designer's native language
  2. Use a widely recognised pictogram tested with users Correct answer.
  3. Use a decorative illustration with fine detail
  4. Use an abstract geometric mark with no conventional meaning

Explanation

Cross-cultural comprehension improves when pictograms follow established conventions and are validated by user testing. Abstract marks lack agreed meaning, and text or fine detail reduces legibility and universality.

Question 18Design Aptitude (content domains not enumerated in source)

Which statement best describes the difference between a sign's icon and its symbol?

  1. Both depend solely on the user's personal memory
  2. Both always resemble their referents directly
  3. An icon resembles its referent; a symbol relies on convention Correct answer.
  4. An icon relies on convention; a symbol resembles its referent

Explanation

In Peircean terms an icon shares a resemblance with what it stands for, while a symbol depends on learned convention. A sign can combine both modes, but the defining basis differs.

Question 19Design Aptitude (content domains not enumerated in source)

A designer needs a quick, low-cost way to compare two button placements before building anything. Which method fits best?

  1. Patent search
  2. Paper prototype test with a few users Correct answer.
  3. Full production build
  4. Large-scale market survey

Explanation

Paper prototypes allow fast, inexpensive testing of layout decisions with representative users before any build. A production build is costly, and surveys or patent searches do not test interface placement.

Question 20Design Aptitude (content domains not enumerated in source)

Which pair of colours are complementary on a traditional painter's colour wheel?

  1. Red and violet
  2. Blue and orange Correct answer.
  3. Yellow and green
  4. Red and orange

Explanation

Complementary colours sit opposite each other on the colour wheel, as blue and orange do. The other pairs listed are adjacent or near-adjacent hues and are analogous rather than complementary.

Question 21Design Aptitude (content domains not enumerated in source)

A composition places a large dark mass on one side and a small bright element on the other. Which concept best explains why the layout can still feel balanced?

  1. Rule of thirds alignment
  2. Symmetrical mirroring
  3. Asymmetric balance through visual weight Correct answer.
  4. Golden-section subdivision

Explanation

Balance does not require equal areas; a small, high-contrast or bright element can counterbalance a much larger, quieter mass. This is asymmetric balance, driven by perceived visual weight rather than mirrored geometry.

Question 22Design Aptitude (content domains not enumerated in source)

A designer claims a layout is accessible because it passes a contrast checker for body text. Which additional check is most important for users with low vision?

  1. Increasing the number of decorative background images
  2. Reducing line spacing to fit more text
  3. Using all-caps for long paragraphs
  4. Ensuring text can reflow and enlarge without loss of content Correct answer.

Explanation

Contrast is only one requirement; content must remain usable when text is enlarged or reflowed, which is central for low-vision users. Adding decoration, tightening spacing or setting long passages in capitals all harm readability.

Question 23Design Aptitude (content domains not enumerated in source)

A designer must choose between two concepts and wants evidence about which produces fewer errors in use. Which approach yields the most direct evidence?

  1. Run a task-based usability test measuring error rates Correct answer.
  2. Compare the number of colours in each concept
  3. Count the hours spent on each concept
  4. Ask colleagues which they prefer

Explanation

Error rates from representative users performing realistic tasks provide direct behavioural evidence about usability. Preference, colour counts and effort spent are indirect proxies that do not measure performance.

Question 24Design Aptitude (content domains not enumerated in source)

A drawing shows an object with one face parallel to the picture plane and receding edges drawn at an angle. Which projection is this?

  1. Third-angle orthographic
  2. One-point perspective
  3. Cavalier oblique Correct answer.
  4. Isometric

Explanation

When one face is drawn true to shape parallel to the picture plane and depth edges are drawn at an angle, the result is an oblique projection such as cavalier oblique. Isometric and perspective views do not keep a full face undistorted in this way.

Question 25Design Aptitude (content domains not enumerated in source)

A designer wants a poster to read clearly from several metres away. Which typographic decision is most defensible?

  1. Use a highly decorative script for all text
  2. Set body copy in a light weight at small size
  3. Use a large x-height face at generous size with tight but open spacing Correct answer.
  4. Reduce contrast between text and background

Explanation

Distant reading depends on large size, a generous x-height and adequate letter and line spacing, all of which aid recognition at range. Light small type, decorative scripts and low contrast all reduce legibility.

Question 26Design Aptitude (content domains not enumerated in source)

A designer builds a small physical model at 1:5 scale to check whether a chair's seat height and armrest spacing feel right before making a full-size version. Which term best describes this model?

  1. A production drawing used to specify manufacturing tolerances
  2. A scaled mock-up used to evaluate ergonomic proportions Correct answer.
  3. A wireframe used to map navigation between screens
  4. A rendered visualisation used only for marketing images

Explanation

A scaled physical model built to test proportion, fit and handling is a mock-up or study model, and its purpose is evaluation rather than final specification. Marketing renders and technical production drawings serve communication and manufacture, not early ergonomic testing.

Question 27Design Aptitude (content domains not enumerated in source)

A designer is asked to make a printed poster feel calm and stable. Which compositional decision best supports that intention?

  1. Aligning elements to a strong central axis with generous even margins Correct answer.
  2. Scattering small elements randomly across the lower half
  3. Placing the headline hard against the top-left trim edge
  4. Rotating each element by a different small angle

Explanation

Symmetry and even margins reduce visual tension, so a strong central axis reads as stable and calm. Random scattering, tilted elements and edge-crowding all introduce restlessness or imbalance.

Question 28Design Aptitude (content domains not enumerated in source)

A studio must present a concept to a client as a realistic image of a finished product in a room setting, but no physical object exists yet. Which deliverable is most appropriate?

  1. A dimensioned orthographic drawing set
  2. A foam study model photographed on a plain background
  3. A photorealistic 3D render composited into an interior scene Correct answer.
  4. A hand-drawn thumbnail sheet of alternative ideas

Explanation

A photorealistic render placed into a scene communicates final appearance and context without a physical object. Study models, technical drawings and thumbnails each show something else: form testing, specification, or ideation breadth.

Question 29Design Aptitude (content domains not enumerated in source)

In a perspective drawing, what happens to parallel lines that recede away from the viewer?

  1. They diverge outward as they get further away
  2. They curve into arcs that meet at the picture plane
  3. They converge toward a vanishing point on the horizon Correct answer.
  4. They remain exactly parallel across the whole sheet

Explanation

Perspective projection models the way receding parallel edges appear to converge at a vanishing point located on the horizon line. Keeping them parallel describes orthographic or isometric convention, not perspective.

Question 30Design Aptitude (content domains not enumerated in source)

Which statement correctly distinguishes a hue from a value?

  1. Hue applies only to pigment, while value applies only to light
  2. Hue describes lightness, while value names the colour family
  3. Hue names the colour family, while value describes its lightness or darkness Correct answer.
  4. Hue and value both describe saturation of a pigment

Explanation

Hue identifies the colour family such as red or blue-green, and value is the relative lightness or darkness of that colour. Saturation is a separate dimension, so the two terms are not interchangeable.

Question 31Design Aptitude (content domains not enumerated in source)

A designer wants a typeface that stays legible in very small sizes on a low-resolution screen. Which choice is most defensible?

  1. A typeface with extreme thin-to-thick stroke contrast
  2. A condensed face with very tight letter spacing
  3. A highly decorative script with connected letters
  4. A typeface with a large x-height and open counters Correct answer.

Explanation

A large x-height and open counters keep letterforms distinguishable when pixels are scarce. High stroke contrast, tight spacing and connected scripts all collapse or blur at small sizes.

Question 32Design Aptitude (content domains not enumerated in source)

A packaging brief requires that a bottle be opened without reading any text. Which design decision best supports this?

  1. Printing the opening instructions in a smaller font inside the label
  2. Relying on a colour code explained only in the leaflet
  3. Making the cap the same colour and shape as the bottle neck
  4. Using a shaped cap and directional arrow that suggest a twisting motion Correct answer.

Explanation

Affordances such as a shaped grip and a directional arrow communicate the required action through form rather than words. Camouflaging the cap or hiding instructions in text removes those cues.

Question 33Design Aptitude (content domains not enumerated in source)

A designer needs to record the exact geometry of a bracket so it can be manufactured. Which drawing type is most suitable?

  1. A freehand isometric thumbnail without measurements
  2. A one-point perspective sketch with shading
  3. A mood board of reference photographs
  4. An orthographic drawing with dimensions and tolerances Correct answer.

Explanation

Manufacture requires unambiguous, measurable geometry, which dimensioned orthographic views provide. Perspective sketches, mood boards and unmeasured thumbnails communicate ideas but cannot specify a part.

Question 34Design Aptitude (content domains not enumerated in source)

A designer is mapping the steps a user takes to return an online purchase. Which tool best represents that sequence and its decision points?

  1. A materials selection matrix comparing suppliers
  2. A colour swatch chart for the brand palette
  3. A user journey map showing stages, actions and branch points Correct answer.
  4. A sectional drawing of the packaging box

Explanation

A journey map lays out the stages a user passes through and marks decision points and pain points along the way. The other options are unrelated to representing a service sequence.

Question 35Design Aptitude (content domains not enumerated in source)

A design team wants rapid feedback on whether users understand a new icon set before committing to development. Which approach is most appropriate?

  1. Measure the ink coverage of each icon
  2. Run a long-term sales forecast for the product
  3. Compare icon file sizes for compression efficiency
  4. Show the icons to representative users and ask what each means Correct answer.

Explanation

Comprehension testing asks representative users to interpret each icon, revealing mismatches between intended and perceived meaning early. The other activities measure business, print, or technical attributes rather than meaning.

Question 36Design Aptitude (content domains not enumerated in source)

A designer is choosing between a matte and a glossy finish for a handheld device. Which consideration most directly affects the decision?

  1. How finger marks and grip change with surface finish during use Correct answer.
  2. The size of the typeface on the instructions
  3. The length of the product's warranty period
  4. The number of colours used on the packaging

Explanation

Surface finish affects tactile grip, slip resistance and how visible fingerprints become in use, so it is a direct usability and perception decision. Packaging colour, warranty and instruction typography do not depend on the finish choice.

Question 37Design Aptitude (content domains not enumerated in source)

A poster uses a single bright red dot on an otherwise muted grey field. Which principle best explains why the dot draws the eye first?

  1. Symmetry makes the dot the centre of balance
  2. Contrast of hue and saturation isolates the element Correct answer.
  3. Proximity groups the dot with nearby text
  4. Repetition of the dot across the field builds rhythm

Explanation

A saturated hue against desaturated surroundings creates strong local contrast, which the eye prioritises. Symmetry, repetition and proximity describe arrangement, not the colour-based salience of a single element.

Question 38Design Aptitude (content domains not enumerated in source)

A designer must ensure a form is comfortable for users across a wide range of hand sizes. Which approach is most appropriate?

  1. Use the largest hand size only and ignore smaller users
  2. Rely on the designer's own hand as the sole reference
  3. Design for the average hand size and assume it covers everyone
  4. Design for the extreme percentiles and test with varied users Correct answer.

Explanation

Designing to accommodate extreme percentiles, then validating with a range of real users, prevents exclusion of people at either end of the size distribution. Designing for the average excludes many users by construction.

Question 39Design Aptitude (content domains not enumerated in source)

A designer sketches a product in an axonometric view rather than perspective. Which property is gained?

  1. Receding edges converge to a single vanishing point
  2. Measurements along the axes stay proportional across the drawing Correct answer.
  3. Nearby objects appear larger than distant ones
  4. Objects appear exactly as the eye sees them in a room

Explanation

Axonometric projection keeps axis lines parallel, so distances along those axes remain proportional and measurable. Perspective instead produces convergence and size diminution to mimic human vision.

Question 40Design Aptitude (content domains not enumerated in source)

A brand wants its packaging to feel premium and restrained. Which typographic and layout combination best supports that intention?

  1. Five display typefaces, dense text and saturated colours
  2. Centred comic lettering with drop shadows on every line
  3. A single refined typeface, ample white space and a limited palette Correct answer.
  4. Full-bleed patterns behind tightly packed body copy

Explanation

Restraint in typeface count, generous negative space and a limited palette are conventional signals of premium positioning. Multiple display faces, dense copy and busy patterns read as cluttered rather than refined.

Question 41Design Aptitude (content domains not enumerated in source)

A service designer maps every point where a customer interacts with a company, including staff actions behind the scenes. Which tool is being used?

  1. A service blueprint Correct answer.
  2. A sectional drawing
  3. A colour wheel
  4. A Gantt chart

Explanation

A service blueprint extends a journey map by adding frontstage and backstage actions, staff roles and supporting systems. A Gantt chart schedules tasks, and the other options belong to colour or technical drawing.

Question 42Design Aptitude (content domains not enumerated in source)

A designer is comparing two chair concepts and wants evidence on which causes fewer postural problems over a working day. Which method is most appropriate?

  1. Asking colleagues which chair looks more modern
  2. Reviewing the chairs' marketing photographs
  3. Observing and measuring seated users over extended sessions Correct answer.
  4. Counting the number of parts in each chair

Explanation

Postural outcomes over time require observation and measurement of real seated users, which yields behavioural evidence. Aesthetic opinions, part counts and marketing images say nothing about sustained posture.

Question 43Design Aptitude (content domains not enumerated in source)

A designer claims a form is intuitive because testers used it correctly on their first attempt. Which additional evidence would most strengthen that claim?

  1. Testers later explaining the intended action in their own words Correct answer.
  2. A larger advertising budget for launch
  3. A higher-resolution photograph of the product
  4. A shorter product name for the packaging

Explanation

Correct first use could stem from trial and error, so asking testers to articulate the intended action shows the form itself communicated the purpose. Photographs, naming and budget do not test comprehension.

Question 44Design Aptitude (content domains not enumerated in source)

A designer needs to convey the three-dimensional form of a complex curved shell to a model-maker. Which drawing approach is most useful?

  1. A single flat elevation with no other views
  2. A text description of the shape without drawings
  3. A bar chart of the shell's dimensions
  4. Multiple orthographic views supplemented by a perspective or isometric view Correct answer.

Explanation

Curved surfaces cannot be fully described by one view, so several orthographic views combined with an axonometric or perspective view convey the form. A single elevation, prose or a chart leaves geometry ambiguous.

Question 45Design Aptitude (content domains not enumerated in source)

A user interface uses colour alone to indicate an error state. Which revision best improves accessibility?

  1. Use a second shade of the same hue to mark the error
  2. Add an icon and a short text message alongside the colour cue Correct answer.
  3. Increase the saturation of the error colour only
  4. Move the error colour to a smaller area of the screen

Explanation

Pairing colour with an icon and text ensures the error is perceivable without colour discrimination. Adjusting saturation, hue shade or area keeps colour as the sole channel.

Question 46Design Aptitude (content domains not enumerated in source)

A designer must choose a material for a reusable shopping bag that will be folded small and carried daily. Which property set matters most?

  1. Low weight, high foldability and adequate tensile strength Correct answer.
  2. High gloss, deep colour and magnetic permeability
  3. High hardness, brittleness and opacity
  4. High density, rigidity and thermal conductivity

Explanation

A daily-carry bag that folds small needs light weight, flexibility and enough strength to hold loads. Rigidity, brittleness and gloss do not serve folding or load-bearing.

Question 47Design Aptitude (content domains not enumerated in source)

A designer observes that users repeatedly miss a door because they push when it should be pulled. Which explanation is most consistent with design theory?

  1. The handle's form affords pulling although the door requires pushing Correct answer.
  2. The door is wider than the corridor
  3. The door has more hinges than similar doors
  4. The door is painted an unfashionable colour

Explanation

When a handle's shape suggests pulling but the door must be pushed, the affordance conflicts with the required action, producing repeated errors. Colour, width and hinge count do not create this mismatch.

Question 48Design Aptitude (content domains not enumerated in source)

A layout uses four different type sizes, three accent colours and two alignment systems on one poster. Which analysis best describes the likely effect?

  1. More accents always increase perceived quality
  2. Multiple systems guarantee clearer hierarchy for every viewer
  3. Competing hierarchies fragment attention and weaken the main message Correct answer.
  4. Mixed alignment improves reading speed on posters

Explanation

Each extra type size, accent colour and alignment system creates a competing hierarchy, so the viewer cannot tell what to read first. Consistency, not variety, produces a clear entry point.

Question 49Design Aptitude (content domains not enumerated in source)

A designer argues that a product is sustainable because it uses recycled plastic. Which additional factor most affects whether that claim holds?

  1. The brand's social media follower count
  2. The product's lifespan and end-of-life recovery pathway Correct answer.
  3. The number of colours in the logo
  4. The size of the instruction booklet's type

Explanation

Material choice is only one part of environmental impact; a short-lived product that cannot be recovered may perform worse than a durable, recyclable alternative. Logo colour, type size and follower count are irrelevant to lifecycle impact.

Question 50Design Aptitude (content domains not enumerated in source)

A team tests a prototype with five users, finds a recurring failure, fixes it, and retests with new users. Which description best captures this practice?

  1. Iterative testing that refines the design between rounds Correct answer.
  2. A marketing campaign evaluation
  3. A final quality inspection before shipping
  4. A one-off survey of user preferences

Explanation

Fixing a discovered problem and retesting with fresh participants is iteration, which uses each round's findings to improve the next version. A single survey, final inspection or campaign review does not involve redesign between rounds.