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	<title>colincaprani.com &#187; Lectures</title>
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	<link>http://www.colincaprani.com</link>
	<description>Structural Engineering, Bridge Research, Programming, and more...</description>
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		<title>Happy Christmas!</title>
		<link>http://www.colincaprani.com/wordpress/2008/12/happy-christmas/</link>
		<comments>http://www.colincaprani.com/wordpress/2008/12/happy-christmas/#comments</comments>
		<pubDate>Wed, 24 Dec 2008 01:30:39 +0000</pubDate>
		<dc:creator>Colin</dc:creator>
				<category><![CDATA[Engineering]]></category>
		<category><![CDATA[Lectures]]></category>

		<guid isPermaLink="false">http://www.colincaprani.com/?p=239</guid>
		<description><![CDATA[So the spaghetti bridges have all been broken, the mince pies are beckoning and exam fear still hasn&#8217;t raised its ugly head. Enjoy the festive season! Group Bridge Weight (kg) Strength (kg) SW Ratio Prediction (kg) PS Ratio 1 0.861 4.81 5.59 7.0 1.46 2 0.820 9.01 10.99 8.0 0.89 3 0.859 4.24 4.94 15.0 [...]]]></description>
			<content:encoded><![CDATA[<p>So the spaghetti bridges have all been broken, the mince pies are beckoning and exam fear still hasn&#8217;t raised its ugly head. Enjoy the festive season!</p>
<p></p>
<table class="wptable rowstyle-alt" id="wptable-1"  cellspacing="1">
	<thead>
	<tr>
		<th class="sortable" style="width:70px" align="center">Group</th>
		<th class="sortable" style="width:120px" align="center">Bridge Weight (kg)</th>
		<th class="sortable" style="width:120px" align="center">Strength (kg)</th>
		<th class="sortable" style="width:70px" align="center">SW Ratio</th>
		<th class="sortable" style="width:120px" align="center">Prediction (kg)</th>
		<th class="sortable" style="width:70px" align="center">PS Ratio</th>
	</tr>
	</thead>
	<tr>
		<td style="width:70px" align="center">1</td>
		<td style="width:120px" align="center">0.861</td>
		<td style="width:120px" align="center">4.81</td>
		<td style="width:70px" align="center">5.59</td>
		<td style="width:120px" align="center">7.0</td>
		<td style="width:70px" align="center">1.46</td>
	</tr>
	<tr class="alt">
		<td style="width:70px" align="center">2</td>
		<td style="width:120px" align="center">0.820</td>
		<td style="width:120px" align="center">9.01</td>
		<td style="width:70px" align="center">10.99</td>
		<td style="width:120px" align="center">8.0</td>
		<td style="width:70px" align="center">0.89</td>
	</tr>
	<tr>
		<td style="width:70px" align="center">3</td>
		<td style="width:120px" align="center">0.859</td>
		<td style="width:120px" align="center">4.24</td>
		<td style="width:70px" align="center">4.94</td>
		<td style="width:120px" align="center">15.0</td>
		<td style="width:70px" align="center">3.54</td>
	</tr>
	<tr class="alt">
		<td style="width:70px" align="center">4</td>
		<td style="width:120px" align="center">0.641</td>
		<td style="width:120px" align="center">6.48</td>
		<td style="width:70px" align="center">10.11</td>
		<td style="width:120px" align="center">10.0</td>
		<td style="width:70px" align="center">1.54</td>
	</tr>
	<tr>
		<td style="width:70px" align="center">5*</td>
		<td style="width:120px" align="center">0.327</td>
		<td style="width:120px" align="center">0.97</td>
		<td style="width:70px" align="center">2.97</td>
		<td style="width:120px" align="center">3.0</td>
		<td style="width:70px" align="center">3.09</td>
	</tr>
	<tr class="alt">
		<td style="width:70px" align="center">6</td>
		<td style="width:120px" align="center">0.857</td>
		<td style="width:120px" align="center">1.9</td>
		<td style="width:70px" align="center">2.22</td>
		<td style="width:120px" align="center">2.3</td>
		<td style="width:70px" align="center">1.21</td>
	</tr>
	<tr>
		<td style="width:70px" align="center">7*</td>
		<td style="width:120px" align="center">0.971</td>
		<td style="width:120px" align="center">8.14</td>
		<td style="width:70px" align="center">8.38</td>
		<td style="width:120px" align="center">10.0</td>
		<td style="width:70px" align="center">1.23</td>
	</tr>
	<tr class="alt">
		<td style="width:70px" align="center">8*</td>
		<td style="width:120px" align="center">0.523</td>
		<td style="width:120px" align="center">1.07</td>
		<td style="width:70px" align="center">2.05</td>
		<td style="width:120px" align="center">1.5</td>
		<td style="width:70px" align="center">1.40</td>
	</tr>
	<tr>
		<td style="width:70px" align="center">9*</td>
		<td style="width:120px" align="center">0.400</td>
		<td style="width:120px" align="center">1.5</td>
		<td style="width:70px" align="center">3.75</td>
		<td style="width:120px" align="center">2.0</td>
		<td style="width:70px" align="center">1.33</td>
	</tr>
	<tr class="alt">
		<td style="width:70px" align="center">10</td>
		<td style="width:120px" align="center">0.787</td>
		<td style="width:120px" align="center">6.88</td>
		<td style="width:70px" align="center">8.74</td>
		<td style="width:120px" align="center">10.0</td>
		<td style="width:70px" align="center">1.45</td>
	</tr>
	<tr>
		<td style="width:70px" align="center">11</td>
		<td style="width:120px" align="center">0.885</td>
		<td style="width:120px" align="center">7.86</td>
		<td style="width:70px" align="center">8.88</td>
		<td style="width:120px" align="center">3.5</td>
		<td style="width:70px" align="center">0.45</td>
	</tr>
</table><p>
</p>
<p>* These groups were disqualified due to non-conformance with the <a href="http://www.colincaprani.com/wordpress/go.php?http://www.colincaprani.com/files/notes/SAIII/Bridge%20Build%20Competition.pdf" title="(267 hits)">specifications</a> <span class="hitcounter">(267 hits)</span> of the problem.</p>
<p>First, second, and third were awarded to Groups 2, 4 and 11 respectively (as may be seen by sorting on the SW column). The Faculty Director also awarded Group 5 a special merit prize for their unique entry.</p>
<p>One very intersting aspect of the results is the significant over-estimation of strength across the board, save for Groups 2 and 11. Is it coincidence that these groups were prize-winners?</p>
<p><img class="size-medium wp-image-240 alignleft" title="Christmas Spaghetti Bridge Competition" src="http://www.colincaprani.com/wordpress/wp-content/uploads/2008/12/pc180005-225x300.jpg" alt="Christmas Spaghetti Bridge Competition" width="225" height="300" /></p>
<p>Some housekeeping updates to the site include:</p>
<ul>
<li>Results of the Christmas Spaghetti Bridge Competition (as above);</li>
<li>Structural Analysis III exam <a href="http://www.colincaprani.com/wordpress/go.php?http://www.colincaprani.com/files/notes/SAIII/SAIII%20-%20Sem1%20Exam%20Information.pdf" title="(209 hits)">information</a> <span class="hitcounter">(209 hits)</span>, <a href="http://www.colincaprani.com/wordpress/go.php?http://www.colincaprani.com/files/notes/SAIII/SAIII%20-%20Exam%20Handout.pdf" title="(232 hits)">handout</a> <span class="hitcounter">(232 hits)</span>, and <a href="http://www.colincaprani.com/wordpress/go.php?http://www.colincaprani.com/files/notes/SAIII/SAIII%20-%20Sem1%20Sample%20Paper.pdf" title="(288 hits)">sample paper</a> <span class="hitcounter">(288 hits)</span> is available;</li>
<li>Structural Analysis IV group laboratory submissions are now available;</li>
<li>Structural Analysis IV stiffness analysis of beams <a href="http://www.colincaprani.com/wordpress/go.php?http://www.colincaprani.com/files/notes/SAIV/Stiffness Method for Beams.xls" title="(No click)">spreadsheet</a> <span class="hitcounter">(No click)</span> available;</li>
<li>Structural Mechanics <a href="http://www.colincaprani.com/wordpress/go.php?http://www.colincaprani.com/files/notes/Column Notes.pdf" title="(No click)">column notes</a> <span class="hitcounter">(No click)</span> are available.</li>
</ul>
<p>Please use the <a href="http://www.colincaprani.com/wordpress/go.php?http://www.colincaprani.com/structural-engineering/forum/" title="(43 hits)">message board</a> <span class="hitcounter">(43 hits)</span> to communicate and ask questions of your colleagues. Hopefully this will help remove some of the panic. Remember also that 99% of all questions I am ever asked have the answer already in the notes &#8211; please read them closely. The infomation you seek may be in an earlier example, not necessarily on the page you&#8217;re looking at.</p>
<p>Here&#8217;s to a great Christmas and an even better New Year!</p>
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		</item>
		<item>
		<title>Structural Analysis IV Lab &#8211; Deadline Extended</title>
		<link>http://www.colincaprani.com/wordpress/2008/12/structural-analysis-iv-lab-deadline-extended/</link>
		<comments>http://www.colincaprani.com/wordpress/2008/12/structural-analysis-iv-lab-deadline-extended/#comments</comments>
		<pubDate>Wed, 03 Dec 2008 23:24:55 +0000</pubDate>
		<dc:creator>Colin</dc:creator>
				<category><![CDATA[Engineering]]></category>
		<category><![CDATA[Lectures]]></category>

		<guid isPermaLink="false">http://www.colincaprani.com/?p=229</guid>
		<description><![CDATA[The handup date for the 4th session in the Computer Modelling of Structures laboratory for DT024/4 students has been extended. Submissions are now due before 5pm on Friday 12 December. Submit as: Hardcopy to the departmental secretary; Softcopy emailed to Lacour Ayompe as before. Both submissions must be made on or before the specified time [...]]]></description>
			<content:encoded><![CDATA[<p>The handup date for the 4th session in the <em>Computer Modelling of Structures</em> laboratory for DT024/4 students has been extended. Submissions are now due before <strong>5pm on Friday 12 December</strong>. Submit as:</p>
<ul>
<li>Hardcopy to the departmental secretary;</li>
<li>Softcopy emailed to Lacour Ayompe as before.</li>
</ul>
<p>Both submissions must be made on or before the specified time and date.</p>
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		<item>
		<title>Avoiding Semester 1 Syndrome</title>
		<link>http://www.colincaprani.com/wordpress/2008/09/avoiding-semester-1-syndrome/</link>
		<comments>http://www.colincaprani.com/wordpress/2008/09/avoiding-semester-1-syndrome/#comments</comments>
		<pubDate>Fri, 19 Sep 2008 19:22:09 +0000</pubDate>
		<dc:creator>Colin</dc:creator>
				<category><![CDATA[Lectures]]></category>

		<guid isPermaLink="false">http://www.colincaprani.com/?p=145</guid>
		<description><![CDATA[Let&#8217;s do this in FAQ fashion. But first be aware that some generalizations and personal opinions follow&#8230; What is the Semester 1 Syndrome? Simply put, it is the tendency for students, fresh into 3rd year, to put an inadequate amount of work in, and who consequently don&#8217;t perform as well as they wish. Have you [...]]]></description>
			<content:encoded><![CDATA[<p>Let&#8217;s do this in FAQ fashion. But first be aware that some generalizations and personal opinions follow&#8230;</p>
<p><strong>What is the Semester 1 Syndrome? </strong></p>
<p>Simply put, it is the tendency for students, fresh into 3rd year, to put an inadequate amount of work in, and who consequently don&#8217;t perform as well as they wish.</p>
<p><strong>Have you any evidence for it?</strong></p>
<p>Yes from experience. Semester 1 exam results tend to be quite poor, with a high number of students having to resit the exams. Surprisingly, 9 months later, with no further classes in the subjects, students generally improve their marks significantly, sometimes by over 60%. That&#8217;s the Semester 1 Syndrome!</p>
<p>As an aside, many lecturers give individual feedback, without the &#8220;I&#8217;m being assessed&#8221; feel to it. Interestingly, in the majority of cases, such feedback correctly predicts whether students would pass or not. I think the moral is, when given personalized and informal feedback well in advance of any assessment, please act on it!</p>
<p><strong>Why does it happen?</strong></p>
<p>This is complex but the probable answer lies in the way that the students have &#8216;engineered&#8217; exam success up to the point of arrival in 3rd year. Unfortunately the Points System and Leaving Cert. encourage a learn-by-rote model as being optimal for exam success. The first two years in third level can be approached in the same way, but it gets increasingly difficult. The failings of this learning model come to a head in 3rd year when the material that must be known is minimal &#8211; extensive exam handouts mean that little memorization is required. Instead, the material must be understood. Simple really, but since this is the first time students may actually have to try understand material for exam success, it poses a real difficulty and a harsh awakening in many cases. And by understood, we mean that the material is second nature and that disparate pieces of information can be assimilated into different coherent forms so that reasonably complex engineering problems can be solved.</p>
<p><strong>Ok, so how can it be avoided?</strong></p>
<p>Well I&#8217;ll bet you know the answer to this, in the same way you know that you should eat more fruit and vegetables. For every hour spent in class, at least another hour must be spent at home doing the following:</p>
<ul>
<li>assimilating the material already covered;</li>
<li>reading ahead on the new material;</li>
<li>practicing examples until exhaustion (!);</li>
<li>preparing questions to ask the lecturer in the next class;</li>
<li>studying with colleagues &#8211; peer-learning is very effective.</li>
</ul>
<p>Last year a quick class survey noted that over 90% of students had part-time jobs during term-time. In a week, it is simply impossible to spend say 30 hours in class, another 30 hours of home study, and then do a job. It seems that for short-term gain (i.e. some extra money now), the longer-term benefits of performing well in college are ignored. These longer-term benefits include improved employment prospects and the possibility of a higher starting salary for 1st class and 2:1 Honours Degree awards. It&#8217;s called full-time education for a reason!</p>
<p>One further issue that can significantly affect performance is the abuse of alcohol amongst 3rd level students. A recent study <a href="http://www.colincaprani.com/wordpress/go.php?http://www.barkeeper.ie/News_Item.asp?News_ID=1425" title="(47 hits)">summarized here</a> <span class="hitcounter">(47 hits)</span> and <a href="http://www.colincaprani.com/wordpress/go.php?http://www.imj.ie/Issue_detail.aspx?issueid=+&amp;pid=3511&amp;type=Papers" title="(48 hits)">fully reported here</a> <span class="hitcounter">(48 hits)</span> shows that use of alcohol is increasing amongst undergraduate students. This can only have a negative affect upon coursework. Whilst certainly the college experience is not all about hard work and learning, going too far the other way is not a recipe for success or happiness. If you or a friend is affected by alcohol abuse you should contact the student counselling service.</p>
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		</item>
		<item>
		<title>More on presentations</title>
		<link>http://www.colincaprani.com/wordpress/2008/09/more-on-presentations/</link>
		<comments>http://www.colincaprani.com/wordpress/2008/09/more-on-presentations/#comments</comments>
		<pubDate>Tue, 02 Sep 2008 23:51:39 +0000</pubDate>
		<dc:creator>Colin</dc:creator>
				<category><![CDATA[General]]></category>
		<category><![CDATA[Lectures]]></category>

		<guid isPermaLink="false">http://www.colincaprani.com/?p=126</guid>
		<description><![CDATA[In the Presentations (83 hits) section of the site I&#8217;ve mentioned Edward Tufte and the art of presenting complex information. He even suggests that PowerPoint was complicit in the Challenger disaster due to its inability to convey complex information. Read an extract from his essay The Cognitive Style of PowerPoint: Pitching Out Corrupts Within here [...]]]></description>
			<content:encoded><![CDATA[<p>In the <a href="http://www.colincaprani.com/wordpress/go.php?http://www.colincaprani.com/bridge-research/presentations/" title="(83 hits)">Presentations</a> <span class="hitcounter">(83 hits)</span> section of the site I&#8217;ve mentioned <a href="www.edwardtufte.com">Edward Tufte</a> and the art of presenting complex information. He even suggests that PowerPoint was complicit in the Challenger disaster due to its inability to convey complex information. Read an extract from his essay <em>The Cognitive Style of PowerPoint: Pitching Out Corrupts Within</em> <a href="http://www.colincaprani.com/wordpress/go.php?http://www.edwardtufte.com/tufte/powerpoint" title="(103 hits)">here</a> <span class="hitcounter">(103 hits)</span>.</p>
<p>Anyway, the following site takes a funny look at presentation of a difficult dataset, showing the common (and very poor) method, and a good method:</p>
<p><a href="http://www.colincaprani.com/wordpress/go.php?http://www.sitelogicmarketing.com/blog/02-analytics-according-to-captain-kirk" title="(58 hits)">Red-shirt fatalities in Star Trek</a> <span class="hitcounter">(58 hits)</span></p>
<p><a href="http://www.colincaprani.com/wordpress/go.php?http://www.sitelogicmarketing.com/blog/02-analytics-according-to-captain-kirk" title="(58 hits)"><img class="alignnone" title="SiteLogic" src="http://www.sitelogicmarketing.com/wp/wp-content/uploads/2007/02/star-trek-graph-sm.png" alt="" width="432" height="199" /></a> <span class="hitcounter">(58 hits)</span></p>
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