Techniques for WCAG 2.0

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G86: Providing a text summary that requires reading ability less advanced than the upper secondary education level

Applicability

All technologies.

This technique relates to:

Description

The objective of this technique is to provide a summary of complex content. The summary is provided in addition to the original content.

Users with disabilities that make it difficult to decode words and sentences are likely to have trouble reading and understanding complex text. This technique provides a short statement of the most important ideas and information in the content. The summary is easier to read because it uses shorter sentences and more common words than the original.

The following steps can be used to prepare the summary:

  1. Identify the most important ideas and information in the content.

  2. Write one or more paragraphs that use shorter sentences and more common words to express the same ideas and information. (The number of paragraphs depends on the length of the original.)

  3. Measure the readability of the summary.

  4. Edit the summary. Consider dividing longer sentences into two or replacing long or unfamiliar words with shorter, more common terms.

  5. Repeat steps 3 and 4 as needed.

Examples

Example 1: A technical article with a readable summary

An article describes a technical innovation. The first item after the title of the article is a section with the heading, “Summary." The average length of the sentences in the summary is 16 words (compared to 23 words for sentences in the article), and it uses short, common words instead of the technical jargon in the article. A readability formula is applied; the summary requires reading ability less advanced than the lower secondary education level.

Resources

No resources available for this technique.

Tests

Procedure

For each summary provided as supplemental content:

  1. Measure the readability of the summary.

  2. Check that the summary requires reading ability less advanced than the lower secondary education level.

Expected Results

If this is a sufficient technique for a success criterion, failing this test procedure does not necessarily mean that the success criterion has not been satisfied in some other way, only that this technique has not been successfully implemented and can not be used to claim conformance.

Techniques are Informative

Techniques are informative—that means they are not required. The basis for determining conformance to WCAG 2.0 is the success criteria from the WCAG 2.0 standard—not the techniques. For important information about techniques, please see the Understanding Techniques for WCAG Success Criteria section of Understanding WCAG 2.0.