[ PICTOGRAM CASE HISTORY ]

Material Symbols Thumb Down Off Icon (Outlined). Needs intervention.

Visible referent: thumb down off. Intended message: The icon must communicate Thumb Down Off in a digital interface.. The report separates observed asset evidence, submitted context, and public evidence signals.

0.63

PCS

0.38

CLL

0.48

NTR

[ FEATURED PICTOGRAM ]

Pictogram contrast preview
Paper
Ink

pictoclarity / material-symbols-thumb-down-off-outlined

Output - Material Symbols Thumb Down Off Icon (Outlined)

Assessing the communicative effectiveness of the Thumb Down Off icon

This reviewed catalog report estimates clarity for Thumb Down Off in default interface contexts. Scores are screening estimates and do not replace user testing.

Mobile appWeb appDesktop app

0.63

PCS

PictoClarity Score

0.38

CLL

Convention Learning Load

0.48

NTR

Neurocognitive Transfer Risk

Read Evidence

[ HOW THE CASE READS ]

From Input To Public Evidence.

The application stores structured evidence. The public page turns it into a readable pictogram case history.

01

Submitted Context

Framework output for the Material Symbols Thumb Down Off icon in the outlined style.

02

Primary Finding

Primary referent: thumb down off.

03

Metric Reading

Implied function: The icon must communicate Thumb Down Off in a digital interface..

04

Public Recommendation

Conduct representative user testing with diverse user groups to validate comprehension and reduce confusion with neighboring interface actions.

[ EVIDENCE SCREENING ]

What The Estimate Surfaces.

Semantic Transparency Score

Input

Expected

Estimated

0.58

Confusion Risk Index

Input

Possible

Estimated

0.52

Readability Test Score

Input

Visual

Estimated

0.82

PictoClarity Score

Input

Estimated

Estimated

0.63

Needs intervention 0.63

The pictogram carries meaningful clarity risk. The estimate applies to this pictogram, this meaning, and this public context.

Last Reviewed

Jun 24, 2026

[ SCORE SCALE ]

The Public Verdict Has A Range.

The level explains the estimated context. It is not a certification.

0.80-1.00

Strong clarity

The pictogram communicates well in this context.

Use it, then keep testing with real users.

0.65-0.79

Usable with support

The pictogram works with labels or context.

Pair it with text and monitor interpretation.

0.50-0.64

Needs intervention

Current report

The pictogram carries meaningful clarity risk.

Improve the symbol before relying on it.

0.00-0.49

Not reliable

The pictogram does not communicate enough alone.

Replace it or add strong alternative support.

[ CONVERGENCE PROFILE ]

Where Meaning Converges.

The profile compares visual evidence, semantic extraction, cultural recognition, time, and cognitive context. It describes estimated convergence, not universal validity.

Convergent meaning profile

The radar shows where meaning converges. It does not certify universal validity.

Area

0.29

Balance

0.69

Perceptual

0.79

Semantic

0.58

Functional

0.62

Cultural

0.33

Temporal

0.58

Neurocognitive

0.59

Context Independence

0.62

Collective Resonance

0.27

Weakest Axis

Collective Resonance

How strongly public evidence supports shared recognition and persistence.

Strongest Axis

Perceptual Convergence

How strongly visual form survives size, blur, contrast, and detail loss.

Convergent meaning profile
AxisScoreDescription
Perceptual Convergence0.79How strongly visual form survives size, blur, contrast, and detail loss.
Semantic Convergence0.58How strongly extracted meaning converges on one interpretation.
Functional Convergence0.62How strongly the symbol maps to the intended function.
Cultural Convergence0.33How strongly recognition holds across cultural evidence and assumptions.
Temporal Convergence0.58How strongly meaning persists over time without semantic decay.
Neurocognitive Convergence0.59How strongly the symbol follows AAC pictogram reading: transparent referent, concrete action, low convention load, and support.
Context Independence0.62How strongly meaning survives without external labels or placement cues.
Collective Resonance0.27How strongly public evidence supports shared recognition and persistence.

Evidence Notes.

8 Findings Published

Evidence

Primary referent: thumb down off.

Evidence

Implied function: The icon must communicate Thumb Down Off in a digital interface..

Evidence

Metaphor type: functional.

Evidence

The icon effectively represents the 'thumb down off' gesture with strong perceptual clarity, scoring 0.79 in perceptual convergence, indicating good visual resilience across size, blur, and contrast variations.

Evidence

Semantic and functional convergence scores (0.58 and 0.62 respectively) show moderate clarity in conveying the intended negative feedback function, but some ambiguity remains.

Evidence

Cultural convergence is low (0.33), reflecting limited widespread cultural recognition and evidence supporting shared understanding of this specific 'thumb down off' symbol.

Evidence

Temporal convergence (0.58) suggests the meaning persists over time without significant semantic decay, supported by steady usage of the 'thumb down' gesture in literature since 1996.

Evidence

Neurocognitive convergence (0.59) indicates moderate ease of interpretation across different cognitive styles, though the convention learning load (0.38) and neurocognitive transfer risk (0.48) highlight some reliance on learned conventions rather than pure pictogram transparency.

[ TRANSFER / METRIC CHART ]

Public evidence trend

The chart shows public evidence buckets by evidence year. Cohort breakpoints appear only when an aging referent is active.

Public evidence trend

Evidence year: 2026

Evaluation

Reference point.

X axis: Evidence year

Public evidence trend
Evidence yearSemantic TransparencyCultural Evidence
19960.710.74
19970.710.74
19980.710.74
19990.720.74
20000.720.75
20010.720.74
20020.730.75
20030.730.75
20040.730.75
20050.730.75
20060.730.75
20070.740.75
20080.740.75
20090.750.75
20100.750.75
20110.760.75
20120.760.75
20130.760.75
20140.770.75
20150.770.75
20160.770.76
20170.770.76
20180.770.76
20190.780.76
20200.780.75
20210.780.75
20220.780.75
20230.280.24
20240.280.24
20250.280.24
20260.280.24
Cohort transfer is inactive for this published report. The chart above uses evidence-year or metric data instead.

asset source

Material Symbols thumb_down_off SVG

Material Symbols by Google

Unofficial clarity analysis. PictoClarity is not affiliated with, endorsed by, or sponsored by Google. Material Symbols are provided by Google under their published license.

Open source

public evidence

Hand gesture recognition for multimedia applications

Wikidata

Evidence query: hand gesture recognition.

Open source

public evidence

Hand gesture recognition and tracking based on distributed locally linear embedding

Wikidata

Evidence query: hand gesture recognition.

Open source

public evidence

Hand Gesture Recognition in Automotive Human⁻Machine Interaction Using Depth Cameras

Wikidata

Evidence query: hand gesture recognition.

Open source

historical evidence

Google Books Ngram annual buckets: thumb down

Google Books Ngram / 1996-2026

Annual extraction returned 14353420 records across 27 active years.

Open source

historical evidence

Google Books Ngram annual buckets: hand gesture

Google Books Ngram / 1996-2026

Annual extraction returned 10358551 records across 27 active years.

Open source

historical evidence

Google Books Ngram annual buckets: thumb down off

Google Books Ngram / 1996-2026

Annual extraction returned 0 records across 0 active years.

Open source

historical evidence

Google Books Ngram annual buckets: symbolic

Google Books Ngram / 1996-2026

Annual extraction returned 20696972 records across 27 active years.

Open source

[ TECHNICAL SCORECARD ]

The Metrics Behind The Case.

PCS

0.63

PictoClarity Score

STS

0.58

Semantic Transparency Score

CRI

0.52

Confusion Risk Index

VRS

0.78

Visual Readability Score

PCH

1.00

Perceptual Cohesion

RTS

0.82

Readability Test Score

SRS

0.66

Scale Robustness Score

BRS

0.84

Blur Robustness Score

TCS

0.78

Target Contrast Stability

SDS

0.74

Stroke Durability Score

SFS

0.83

Silhouette Fidelity Score

NDS

1.00

Negative Detail Score

BBS

0.51

Bounding Box Balance

CPS

1.00

Compression Preservation

PDS

1.00

Pixel Density Suitability

ORS

0.83

Orientation Robustness

CAS

0.60

Color Accessibility Score

RRS

0.42

Referent Recognition Score

FAS

0.62

Functional Association Score

SOS

0.12

Semantic Obsolescence Score

CSS

0.03

Cultural Saturation Score

ERS

0.11

Evidence Reliability Score

MTS

0.31

Metaphor Transfer Score

TDS

0.18

Temporal Decay Score

GDS

0.15

Generational Divide Score

CLL

0.38

Convention Learning Load

NTR

0.48

Neurocognitive Transfer Risk

SPS

0.35

Symbol Persistence Score

OBS

0.19

Obsolescence Signal

CTS

0.00

Cohort Transfer Slope

[ RECOMMENDED NEXT ACTIONS ]

What Improves This Pictogram.

Action

Conduct representative user testing with diverse user groups to validate comprehension and reduce confusion with neighboring interface actions.

Action

Maintain visible text labels or tooltips alongside the icon until semantic transparency and user familiarity are confirmed through testing.

Action

Ensure consistent placement and contextual cues in the interface to minimize misinterpretation, especially for users with varying platform conventions and accessibility needs.

Action

Consider enhancing cultural recognition by providing onboarding or explanatory content where the icon is used, given the low cultural convergence and collective resonance scores.

Action

Monitor user feedback and update the icon design or usage guidelines if confusion or misinterpretation is reported, leveraging the strong perceptual qualities of the icon as a foundation.

[ Private testing / Admin invite ]

Request an invite for pictogram clarity screening.

Access stays invite-only during private testing.

Requests feed the admin invite queue.

Useful context helps select early pilots.