<snapdata remixID="10128378"><project name="U5L2p3 Disease Spread (answer file)  " app="Snap! 6, https://snap.berkeley.edu" 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</thumbnail><stage name="Stage" width="480" height="360" costume="0" color="255,255,255,1" tempo="60" threadsafe="false" penlog="false" volume="100" pan="0" lines="round" ternary="true" hyperops="true" codify="false" inheritance="false" sublistIDs="false" scheduled="true" 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AoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQIHLFxAWmhEwHPAAAAAElFTkSuQmCC</pentrails><costumes><list struct="atomic" id="2"></list></costumes><sounds><list struct="atomic" id="3"></list></sounds><variables></variables><blocks></blocks><scripts></scripts><sprites><sprite name="Person" idx="1" x="0" y="0" heading="24" scale="1" volume="100" pan="0" rotation="1" draggable="true" hidden="true" costume="2" color="80,80,80,1" pen="tip" id="8"><costumes><list id="9"><item><costume name="sick" center-x="6" center-y="6.5" image="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAwAAAANCAYAAACdKY9CAAAA8ElEQVQoU43Svy4EURTH8e/vmtl5AZVap0BDNFbDzhQaXkGs1gsQHoBWxCOgUSwqoxGNPwmdWuUF1q57ZNzsFDLZ3Fv+7v2cc5JzRcMx1ierWFx9/b/WKDDyDVq2jdcKjuwv9/Rxdse3TsX1ZSgCmCv2SOygqVudDbUv3zuUpZ0FpMexj+sxbFGW5Ec4dqOA51iWrZbYxHIU0M99NdIb0kwUMHuXpfkTYj4O8CxrFedgm1EAXVQduoiTKGDshD2kay/IzY5F5l81uJ0LgM40mc4w2o1IlPRtS9x81F8jwKKNGyxBMhXg8BOfPoheOSr0C+RuSlrAKxc8AAAAAElFTkSuQmCC" id="10"/></item><item><costume name="healthy" center-x="8" center-y="6.75" image="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA4AAAAOCAYAAAAfSC3RAAABAUlEQVQ4T5WSO07DUBBFzzx/EqGYQAkFJWsA07AE1gESbAWQYBthCTR8tgAlBZTgOIKE2G+Q/RQcx3ziV87cc0dv5gqLbyU9JLPHqNkqW2Kf8M0579HlvFRqXJC84pm1hpkzeOOjvz7rVWCQWjzqRosOijKJTOlT9rrpM7Dx46Rm8YVxtOnAzlCRv4d986owWRXBT0/xOVlympNlnAlh8oAx261Aax+FcDjAyEE7UK8ENKY7umkFjnt7biPLnGLmnKNMI+PAIi25Xvy72WKjnhwVKapu4Cd3eLLzK1xAud6T9XerAFRHiglH1xiC2p8tUz57+yC3zcg1tqOxK1XieckXvJFLRgiVQEUAAAAASUVORK5CYII=" id="11"/></item></list></costumes><sounds><list struct="atomic" id="12"></list></sounds><blocks></blocks><variables></variables><scripts><script x="30" y="27"><block s="receiveGo"></block><custom-block s="initialize"></custom-block><block s="show"></block><block s="doRepeat"><block var="population size"/><script><block s="createClone"><l><option>myself</option></l></block></script></block><block s="hide"></block><custom-block s="activateTimer"></custom-block></script><script x="221" y="10"><block s="receiveOnClone"></block><custom-block s="cloneInitialize"></custom-block><block s="doForever"><script><block s="doIf"><block s="reportGreaterThan"><block var="time elapsed"/><l>0</l></block><script><block s="bounceOffEdge"></block><block s="forward"><block var="speed"/></block><block s="doIf"><block s="reportEquals"><block s="reportAttributeOf"><l><option>costume name</option></l><block s="reportGet"><l><option>self</option></l></block></block><l>healthy</l></block><script><block s="doIf"><custom-block s="collideWithSick?"></custom-block><script><block s="doSwitchToCostume"><l>sick</l></block><block s="doChangeVar"><l>infected counter</l><l>1</l></block></script></block></script></block></script></block></script></block></script><comment x="54" y="345" w="355" collapsed="false">5.2.3.1 What really matters is the population density but as the area where the population lives in the simulation is fixed, we can safely focus on the effects of population size.  A sensible hypothesis would be as population size (density) increases, the rate at which the disease spreads also increase (duration of outbreak decreases).</comment><comment x="54" y="450.9999999999999" w="332" collapsed="false">5.2.3.4 Some of the simplifying assumptions: &#xD;1) assume population is restricted to a fixed area, in reality population always in flux moving in/out of a locality.  (think international travelers for example)&#xD;2. assume there is no healing or immunity after infection&#xD;3. assume agents continue interacting after infection, in reality the sick will either die or be restricted in movement due to laying in hospital bed etc.).&#xD;</comment><comment x="544" y="125" w="90" collapsed="false">See the hints page linked on the project page for some explanation of these blocks</comment><comment x="58" y="601" w="328" collapsed="false">5.2.3.5 One possible hypothesis:  As POPULATION SIZE increases, the duration of outbreak (TIME ELAPSED) will decrease because the rate of infection increases.  &#xD;&#xD;5.2.3.6 A graph like an exponential decay is expected.</comment></scripts></sprite><watcher var="speed" style="normal" x="10" y="10" color="243,118,29" hidden="true"/><watcher scope="Stage" s="getTimer" style="normal" x="113" y="5.000005999999985" color="4,148,220" hidden="true"/><watcher var="time elapsed" style="normal" x="3.888888888888914" y="6.777783777777763" color="243,118,29"/></sprites></stage><hidden></hidden><headers></headers><code></code><blocks><block-definition s="label %&apos;text&apos; of size %&apos;size&apos;" type="command" category="pen"><comment x="0" y="0" w="90" collapsed="false">LABEL will stamp text on the stage at the given font size. 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