> For the complete documentation index, see [llms.txt](https://guide.fariaedu.com/assessment-a-whole-school-approach/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://guide.fariaedu.com/assessment-a-whole-school-approach/phase-two-implementation-design-and-implementation-integration/assessment-design-principles.md).

# Assessment Design Principles

Assessments should be valid, reliable, authentic and sufficient. These are essential to ensuring the assessment tools are fit for purpose and therefore generate the required data for analysis. Each of these is interconnected and when pursued together enables decisions to be made with confidence. 

What does each of these terms mean?

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[Validity](/assessment-a-whole-school-approach/phase-two-implementation-design-and-implementation-integration/assessment-design-principles/validity.md)
{% endcontent-ref %}

{% content-ref url="/pages/LXpwbX5a9RHe1Q6HnWPF" %}
[Reliability](/assessment-a-whole-school-approach/phase-two-implementation-design-and-implementation-integration/assessment-design-principles/reliability.md)
{% endcontent-ref %}

{% content-ref url="/pages/AjIaZvBGdMgXlmvajlJ4" %}
[Authentic](/assessment-a-whole-school-approach/phase-two-implementation-design-and-implementation-integration/assessment-design-principles/authentic.md)
{% endcontent-ref %}

{% content-ref url="/pages/T7aRGgCllmwszC4Pc3ro" %}
[Sufficient](/assessment-a-whole-school-approach/phase-two-implementation-design-and-implementation-integration/assessment-design-principles/sufficient.md)
{% endcontent-ref %}

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