<div dir="ltr">Thanks for sharing that, it's very nicely set out and reinforces all these criteria well.<div><br></div><div>For my 2-bob's worth I would regard usability as a constraint, it seems implicity functional that something be usable but the degree to which it is is defined by the skills and experience of your users. In the same way your printing (functional requirement) is constrained by the specifications of your printer. </div><div><br></div><div>Others might disagree.</div><div><br></div><div>Laurie Savage</div><div>IT Teacher/Assessment and Reporting Coordinator</div><div>Pascoe Vale Girls College</div></div><div class="gmail_extra"><br clear="all"><div><div class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div dir="ltr"><div dir="ltr"><div>Laurie Savage<br><a href="https://sites.google.com/a/pvgc.vic.edu.au/mr-savage/home" target="_blank">https://sites.google.com/a/pvgc.vic.edu.au/mr-savage/home</a><br></div></div></div></div></div></div></div></div></div></div>
<br><div class="gmail_quote">On 6 December 2015 at 08:59, Young, Katherine A <span dir="ltr"><<a href="mailto:young.katherine.a@edumail.vic.gov.au" target="_blank">young.katherine.a@edumail.vic.gov.au</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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<div style="word-wrap:break-word">Hi all,
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<div>I’ve attached a graphic organizer that will hopefully get my kids thinking more carefully during their analysis of a problem, need or opportunity. Do others use something similar? I’d love to hear your feedback.</div>
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<div>However, in doing so I realized that usability is listed as both a non-functional requirement AND a constraint. My brain had been thinking that a social constraint such the users’ level of expertise or some other "audience characteristic" would
impose a non-functional requirement in relation to the usability of a solution.</div>
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<div>Could someone please explain the difference between usability as a constraint and as a NF requirement? I know that I WILL be asked the same question :-/</div>
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<div>Thank you!</div>
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Regards,</span>
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<b>Katherine Young</b></span></span></span></span></div>
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