<div dir="ltr"><div class="gmail_default" style="font-family:'trebuchet ms',sans-serif;font-size:small">U1O3 KK5 - '<span style="font-family:Calibri,sans-serif;font-size:10pt;line-height:115%">factors affecting the integrity of data, such as
correctness, reasonableness and accuracy'</span><br></div><div class="gmail_default" style="font-family:'trebuchet ms',sans-serif;font-size:small"><span style="font-family:Calibri,sans-serif;font-size:10pt;line-height:115%"><br></span></div><div class="gmail_default"><font face="Calibri, sans-serif"><span style="font-size:13.3333px;line-height:15.3333px">Your challenge for today is: Work out a way to explain the difference between "correctness" and "accuracy" to a year 11 student. The p</span></font><span style="font-size:13.3333px;line-height:15.3333px;font-family:Calibri,sans-serif">rize is 50 brownie points.</span></div><div class="gmail_default"><font face="Calibri, sans-serif"><span style="font-size:13.3333px;line-height:15.3333px"><br></span></font></div><div class="gmail_default"><font face="Calibri, sans-serif"><span style="font-size:13.3333px;line-height:15.3333px">Yes, I realise the terms are only given as examples in the study design, and are not made mandatory by the word 'including', but I'm interested if anyone can clearly tease out the difference between two terms usually considered synonymous by everyone except scientists.</span></font></div><div class="gmail_default"><font face="Calibri, sans-serif"><span style="font-size:13.3333px;line-height:15.3333px"><br></span></font></div><div class="gmail_default"><font face="Calibri, sans-serif"><span style="font-size:13.3333px;line-height:15.3333px">The only thing I can suggest is that "accuracy" means "correctness" (free from error) but also has an whiff of 'precision' about it too...</span></font></div><div class="gmail_default"><span style="font-size:13.3333px;line-height:15.3333px;font-family:Calibri,sans-serif"><br></span></div><div class="gmail_default"><span style="font-size:13.3333px;line-height:15.3333px;font-family:Calibri,sans-serif">e.g. storing Pi as "3.14" may be <i>correct</i>, but not as <i>accurate</i> as "3.14159"</span><br></div><div class="gmail_default"><font face="Calibri, sans-serif"><span style="font-size:13.3333px;line-height:15.3333px"><br></span></font></div><div class="gmail_default"><font face="Calibri, sans-serif"><span style="font-size:13.3333px;line-height:15.3333px">Good luck.</span></font></div><div class="gmail_default"><font face="Calibri, sans-serif"><span style="font-size:13.3333px;line-height:15.3333px"><br></span></font></div><div class="gmail_default"><font face="Calibri, sans-serif"><span style="font-size:13.3333px;line-height:15.3333px">--</span></font></div><div class="gmail_default"><span style="font-size:12.8px"><br></span></div><div class="gmail_default"><span style="font-size:12.8px">Mark Kelly</span></div><div class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div><br></div><div><a href="mailto:mark@vceit.com" style="font-size:12.8px" target="_blank">mark@vceit.com</a><br></div><div><a href="http://vceit.com" target="_blank">http://vceit.com</a></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div>
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