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Collaborative Statistics: Accessibility

Module by: Connexions

Summary: This module describes the accessibility features included in the Collaborative Statistics textbook/collection by Barbara Illowsky and Susan Dean (col10522).

Note:

This module contains information regarding the accessibility features of the Collaborative Statistics textbook/collection by Barbara Illowsky and Susan Dean. Information on accessibility features of the Connexions website can be found at http://cnx.org/content/m17212/latest/.

Accessibility Features

Because equal access to materials is an important goal of Connexions, the authors, and the many adopters of this text, several features have been implemented in Collaborative Statistics in order to improve content accessibility for disabled users. Every module that makes up this textbook takes advantage of each of the following features:

Alt Text for Images

Images used in text include alt text properties. These brief descriptions of the visual information are provided for users with screen readers so that they can accurately interpret the meaning of the images. Descriptions are generally one to three sentences and describe the image in broad terms, adding specific details only when necessary.

Table Row and Column Headers

Tables used in this collection have been marked with row and column headers where applicable. These headers generally describe the data in that column or row, and can be used by screen readers to help the user orient herself when traversing a data table.

Table Summaries

Table summaries provide a high-level description of the data. Because the contents of the table are accessible, table summaries generally only describe the nature of the table structure as well as identifying any trends or patterns easily recognized by sighted users. These are not intended to be detailed descriptions of the data, but rather an abstract.

Media ZIP Download

Users can download a ZIP file containing all images, handouts, and other media files from the Collaborative Statistics homepage. After extracting the ZIP file, open the mediafiles.html file to access every media file used throughout the textbook, organized by chapter and module. This feature allows users to manage media files directly from one location. For example, blind or visually impaired users with access to special printers can generate printouts with raised images that can be examined as the screen reader advances through the text.

Feedback

Connexions is committed to working with all users to ensure that they have access to materials in our Content Commons. As assistive technologies and conventions continue to evolve, we encourage users with disabilities to contact us and tell us what we are doing right and what we might do better in the future.

Suggestions for Content

For problems involving the module content, please contact the author of that module using the link provided at the bottom of each page. Examples of content issues include:

  • Missing alt text for images
  • Requests for video transcripts or captions
  • Suggestions for table markup, including table summaries, row headers, and column headers

Suggestions for Site Features

For problems with or suggestions for the website, please contact Connexions at cnx@cnx.org. Examples of site issues include:

  • Requests for new features
  • Problems with site navigation
  • Reports of technical difficulties
  • Suggestions for ways to make accessibility easier for authors

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