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p.MsoNormal,p.MsoNoSpacing{margin:0}</style></head><body><div style="font-family:Arial;">Mark<br></div><div style="font-family:Arial;"><br></div><div style="font-family:Arial;">I believe I already saw this problem set (pointed to from ShowNTell, IIRC).<br></div><div style="font-family:Arial;">Revolutionary, or not, they are useful; especially when you made the source code available.<br></div><div style="font-family:Arial;">Thank you for making them public.<br></div><div style="font-family:Arial;"><br></div><div style="font-family:Arial;">Itay<br></div><div style="font-family:Arial;"><br></div><div>On Thu, 18 Feb 2021, at 18:43, Lucas, Mark wrote:<br></div><blockquote type="cite" id="qt" style=""><div style="font-family:Calibri, Arial, Helvetica, sans-serif;font-size:12pt;color:rgb(0, 0, 0);">Itay,<br></div><div style="font-family:Calibri, Arial, Helvetica, sans-serif;font-size:12pt;color:rgb(0, 0, 0);"><br></div><div style="font-family:Calibri, Arial, Helvetica, sans-serif;font-size:12pt;color:rgb(0, 0, 0);">This web page actually looks at sample problems creating for an NSF proposal back in 2004. We did not get funded, but I have been using many of these DC Circuit problems for years.<br></div><div style="font-family:Calibri, Arial, Helvetica, sans-serif;font-size:12pt;color:rgb(0, 0, 0);"><br></div><div style="font-family:Calibri, Arial, Helvetica, sans-serif;font-size:12pt;color:rgb(0, 0, 0);"><a href="http://www.phy.ohio.edu/~lucas/loncapa/ccli/index.html" id="qt-LPlnk944433">http://www.phy.ohio.edu/~lucas/loncapa/ccli/index.html</a><br></div><div style="font-family:Calibri, Arial, Helvetica, sans-serif;font-size:12pt;color:rgb(0, 0, 0);"><br></div><div style="font-family:Calibri, Arial, Helvetica, sans-serif;font-size:12pt;color:rgb(0, 0, 0);">The idea was to create a range of problems, both conceptual and numerical, that probed misconceptions in DC Circuits based on McDermott and Shaffer's PER work in the late 90's.<br></div><div style="font-family:Calibri, Arial, Helvetica, sans-serif;font-size:12pt;color:rgb(0, 0, 0);"><br></div><div style="font-family:Calibri, Arial, Helvetica, sans-serif;font-size:12pt;color:rgb(0, 0, 0);">I don't know that any of these are that revolutionary: ranking, optionresponse, numerical problems, but the are freely available for use under /res/ohiou/ccliphys and they are publicly published so that they can be publicly accessed without logging in.<br></div><div style="font-family:Calibri, Arial, Helvetica, sans-serif;font-size:12pt;color:rgb(0, 0, 0);"><br></div><div style="font-family:Calibri, Arial, Helvetica, sans-serif;font-size:12pt;color:rgb(0, 0, 0);">Later,<br></div><div style="font-family:Calibri, Arial, Helvetica, sans-serif;font-size:12pt;color:rgb(0, 0, 0);">Mark<br></div><div style="font-family:Calibri, Arial, Helvetica, sans-serif;font-size:12pt;color:rgb(0, 0, 0);"><br></div><div id="qt-appendonsend"><br></div><div><hr style="display:inline-block;width:98%;"><br></div><div id="qt-divRplyFwdMsg" dir="ltr"><div><span class="font" style="font-family:Calibri, sans-serif;"><span class="colour" style="color:rgb(0, 0, 0);"><b>From:</b> LON-CAPA-users <lon-capa-users-bounces@mail.lon-capa.org> on behalf of Itay via LON-CAPA-users <lon-capa-users@mail.lon-capa.org><br> <b>Sent:</b> Thursday, February 18, 2021 9:46 AM<br> <b>To:</b> Discussion list for LON-CAPA users <lon-capa-users@mail.lon-capa.org><br> <b>Subject:</b> [LON-CAPA-users] Lon-Capa demo problems on website</span></span> </div><div> <br></div></div><div><div style="font-family:Arial;">Hi <br></div><div style="font-family:Arial;"><br></div><div style="font-family:Arial;">In <a href="https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.lon-capa.org%2Fdemo.html&data=04%7C01%7Clucasm%40ohio.edu%7C4d6ded55f7b145e9017808d8d41cab25%7Cf3308007477c4a70888934611817c55a%7C0%7C0%7C637492566923019047%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000&sdata=gHciKMhWc8dbmiu%2B9gIoNN98ctJonQt8pkPQg5K%2FLKM%3D&reserved=0"><font color="red"><b>MailScanner has detected a possible fraud attempt from "nam11.safelinks.protection.outlook.com" claiming to be</b></font> www.lon-capa.org/demo.html</a> the link to Ohio State U demos (titled: Additional Phyiscs Sample Problems) does not work. I get the error "We can’t connect to the server at <a href="http://www.phy.ohiou.edu/">www.phy.ohiou.edu</a>".<br></div><div style="font-family:Arial;"><br></div><div style="font-family:Arial;">Do you know if they retired the target collection or simply the link on the website needs to be updated?<br></div><div style="font-family:Arial;"><br></div><div style="font-family:Arial;">Thanks<br></div><div style="font-family:Arial;"><br></div></div></blockquote><div style="font-family:Arial;"><br></div></body></html>