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Accessibility Information

We believe that education must be available to everyone which means supporting the creation of free, open, and accessible educational resources. We are actively committed to increasing the accessibility and usability of the textbooks we produce.

Accessibility features of the web version of this resource

The web version of this book has been designed with accessibility in mind by incorporating the following features:

  • It has been optimised for people who use screen-reader technology.
    • all content can be navigated using a keyboard
    • links, headings, and tables are formatted to work with screen readers
    • some images and figures have alternative text
  • Information is not conveyed by colour alone.

Other file formats available

In addition to the web version, this book is available in a number of file formats including PDF, EPUB (for eReaders), and various editable files. Choose from the selection of available file types from the  ‘Download this book’ drop-down menu.  This option appears below the book cover image on the eBook’s landing page.

Third-Party Content

In some cases, our open text includes third-party content. In these cases, it is often not possible to ensure accessibility of this content.

Known accessibility issues and areas for improvement

While we strive to ensure that this resource is as accessible and usable as possible, we might not always get it right. Any issues we identify will be listed below. There are currently no known issues.

List of Known Accessibility Issues
Location of issue Need for improvement Timeline Work around
Figures Alternative text During 2025
Images Alternative text During 2025
Headings Skipped heading levels During 2025

Accessibility Improvements

While we strive to ensure that this resource is as accessible and usable as possible, we might not always get it right. We are always looking for ways to make our resources more accessible. If you have problems accessing this resource, please contact phiip.worthington@vuw.ac.nz to let us know so we can fix the issue.

Copyright Note: This accessibility disclaimer is adapted from BCampus’s Accessibility Toolkit, licensed under a Creative Commons Attribution 4.0 International license and University of Southern Queensland’s Enhancing Inclusion, Diversity, Equity and Accessibility (IDEA) in Open Educational Resources (OER) licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.

Licence

Icon for the Creative Commons Attribution-NonCommercial 4.0 International License

Achieving acceptable certainty in the workplace Copyright © 2025 by Te Herenga Waka—Victoria University of Wellington is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License, except where otherwise noted.