ETSI PowerPoint Presentation Template

Access symbols for use with video content and ICT devices

e-Inclusion

The work of STF 286A project funded by the European Union

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This presentation

Describes access services Explains need for symbols Describes derivation of symbols Describes tests chosen Gives test examples Details other modalities Gives preliminary results

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The Team

Wally Mellors - STF leaderRichard HodgkinsonClive Miller

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Access services

To overcome social differencesBy rendering content in alternative

formatsTo provide access to all

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Which services?

Subtitling Audio description Signing Speech output Spoken command

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Why symbols?

No use without awarenessNo awareness without

understandingNo awareness without

promotionInternational - Symbols do

not need language

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How to get a good symbol

Check for existing symbolsCheck for existing

metaphorsBrainstorm new symbols

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Brainstorming!

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How to get a good symbol (Plan B)

Call in the professionalsSelect the best

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Testing

ISO 9186:2001 Test for Judged Comprehensibility What percentage expected to understand

meaning?

Where result inconclusive Perform comprehension test What do you think this symbol means? Judge results

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Comprehension judging

1 – Correct understanding certain2 – Correct understanding very probable3 – Correct understanding probable4 – Opposite of what intended5 – Any other response 6 – Response is “Don’t know” 7 – No response given

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ETR 070 – Multiple Index Approach

1 – The hit rate2 – The false alarm rate3 – Missing values4 – Subjective certainty5 – Subjective suitability 6 – Pictogram preference 7 – Pictogram set preference

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Test used

Testing to ISO 9186 Both Comprehensibility and Comprehension Estimate MIA from comprehension results 1,2,3 (correct understanding) give hit rate 4 & 5 (opposite or other) taken as false alarm 6 & 7 (no response) taken as missing values 1,2,3 also give subjective certainty

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Comprehensibility Judgement

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Comprehension test

You may see this symbol in association with a telephone.

What do you think this symbol means?

Make louder If you cannot guess the meaning, please answer "Don't know".

Do not worry if you give the same answer to more than one symbol.

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Other modalities

Tactile symbols Designed by National Centre for Tactile Diagrams

(NCTD) Symbols for

Speech output Spoken command Audio description

Audible versions Symbols for

Speech output Spoken command Audio description

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Results so far

1500 accesses to website Nearly 600 tests completed from 30

countries Cultural analysis – Scandinavia, Central

Europe, Eastern Europe, Iberia, Mediterranean, UK & Ireland

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Problems

Inability to control display Inability to control respondents Biased age and education

More results needed from Scandinavia (Denmark, Finland, Norway, Sweden)

and Central Europe (Austria, Belgium, Germany, Luxembourg, Netherlands, Switzerland)

Remember the website:http://www.accesssymbols.org

We look for your support

Thank you for listening