[{"data":1,"prerenderedAt":264},["ShallowReactive",2],{"project-3008450":3},{"id":4,"name":5,"line":6,"line_source":7,"title":8,"url":9,"domain":10,"maker":11,"posted_at":12,"year":13,"points":14,"comments":15,"rank_in_year":16,"shown_in_year":17,"top":18,"tier":19,"category":20,"subcategory":21,"format":22,"keywords":23,"reception":29,"sentiment":30,"stance_mix":31,"scored_comments":35,"aspects":36,"strip":41,"post_text":43,"what":44,"said":73,"maker_in_thread":131,"shape":139,"grid":143,"attempts":225,"same_week":226,"maker_shows":38,"maker_hidden":256,"reader_version":257,"card":258},"3008450","ClassMetric","We measure classroom confusion","title","Show HN: We measure classroom confusion","http:\u002F\u002Fblog.classmetric.com\u002Fpost\u002F10279085541\u002Fpostlectureview","blog.classmetric.com","pkrein",1316278441,2011,133,32,71,1097,7,"notable","productivity","classroom feedback tool","web_app",[24,25,26,27,28],"classroom feedback","lecture confusion","student engagement","live polling","peer instruction","debated",0.259,{"positive":18,"neutral":32,"mixed":33,"critical":34},1,0,3,11,{"idea":37,"docs":40},{"positive":38,"critical":39},6,2,{"positive":33,"critical":32},[33,42,34,33,32,42,42,42,33,33,33,33,33,42,32,33,42,32,42,33,33,33,33,33,33,33,33,33,33,33,33,33],5,null,{"problem":45,"audience":56,"pricing":43,"motivation":65,"time_to_build":43,"stack":69,"openness":70,"stage":71,"team_size":72},{"value":46,"source":47,"evidence":48},"Instructors lack real-time feedback on whether students understand lectures","maker",[49,52],{"id":50,"by":11,"text":51},"3008517","The crucial thing is that students can now give some feedback - if it turns out that having students more confused improves their learning, then professors can purposefully drive…",{"id":53,"by":54,"text":55},"3008733","ckwang","That's actually my lecture that ClassMetric broke down in the blog post. From a (first time) instructor's perspective, I don't see the tool as a distraction to students. I'm not…",{"value":57,"source":58,"evidence":59},"University instructors and TAs","commenter",[60,61],{"id":53,"by":54,"text":55},{"id":62,"by":63,"text":64},"3008526","alttag","As a university instructor, I want to find out more about it, but your page makes it harder than it should be. The \"home\" icon links to the blog, the one on the right does too.…",{"value":66,"source":47,"evidence":67},"Give professors a way to measure student confusion",[68],{"id":50,"by":11,"text":51},[],"unknown","beta","team",{"praise":74,"objections":94,"requests":110,"questions":115,"alternatives":123},[75,87],{"value":76,"source":58,"evidence":77},"Useful real-time feedback for instructors",[78,82,86],{"id":79,"by":80,"text":81},"3009113","ColinDabritz","Certainly, although you have to differentiate between confusion, which can be beneficial as you say, and being completely lost, which hampers learning. The subject matter being…",{"id":83,"by":84,"text":85},"3009033","prayag","As someone who've taught before (I was a TA at Berkeley during grad school). It's awesome to monitor the classroom and see if what you are saying even makes sense to the class or…",{"id":53,"by":54,"text":55},{"value":88,"source":58,"evidence":89},"Interesting for curriculum design",[90],{"id":91,"by":92,"text":93},"3008611","zedshaw","This looks pretty interesting. I actually would be more interested in using it for curriculum design, not really for real-time classes. I think I'd get a group of students and a…",[95,106],{"value":96,"source":58,"evidence":97},"Extra work or distraction for students",[98,102],{"id":99,"by":100,"text":101},"3008609","jamesRaybould","As a fairly recent graduate (just over a year now) I'd like to say, please stop giving us things to distract us in lectures.",{"id":103,"by":104,"text":105},"3008655","pixcavator","Anything that requires extra work from students is no-go.",{"value":107,"source":58,"evidence":108},"Hard to find project details on the site",[109],{"id":62,"by":63,"text":64},[111],{"value":112,"source":58,"evidence":113},"Clearer links to project status and cost",[114],{"id":62,"by":63,"text":64},[116],{"value":117,"source":58,"evidence":118},"How does it compare to Learning Catalytics",[119],{"id":120,"by":121,"text":122},"3008498","p4wnc6","I think this is ok, but not nearly as good as: \u003C https:\u002F\u002Flearningcatalytics.com\u002F >.",[124],{"value":125,"source":58,"evidence":126},"Learning Catalytics",[127,128],{"id":120,"by":121,"text":122},{"id":129,"by":11,"text":130},"3008838","Learning Catalytics is cool but different - it's the work of Eric Mazur, a famous Harvard physics professor who created the practice of \"peer instruction.\" It seems to be a very…",{"comments":132,"answered":32,"key":133},4,[134,135,138],{"id":50,"text":51},{"id":136,"text":137},"3008827","It would be great to have you give it a try - email us at friends@classmetric.com and we can get you hooked up with the alpha version. ClassMetric actually started as Bookxor,…",{"id":129,"text":130},{"commenters":140,"max_depth":38,"maker_replies":132,"first_comment_mins":141,"lifespan_hours":142},23,9,70,[144,148,150,154,155,157,158,161,162,164,166,170,172,173,176,179,182,183,185,189,193,195,197,200,203,206,209,212,214,217,219,221],[145,33,33,146,147,33],"3008556","other\u002Fneutral\u002Fidea","bluekeybox",[79,33,42,149,80,33],"project\u002Fpositive\u002Fidea",[151,32,34,152,153,33],"3008493","project\u002Fneutral\u002Fidea","sp332",[50,32,33,149,11,32],[99,39,32,156,100,33],"project\u002Fcritical\u002Fidea",[53,34,42,149,54,33],[159,132,42,149,160,33],"3009461","charlieflowers",[91,42,42,149,92,33],[136,42,33,163,11,32],"maker\u002Fneutral\u002Fnone",[120,38,33,165,121,33],"other\u002Fpositive\u002Fnone",[167,38,33,168,169,33],"3008540","commenter\u002Fneutral\u002Fnone","teej",[171,38,33,168,121,33],"3017861",[129,38,33,152,11,32],[174,18,42,149,175,33],"3010265","mw63214",[62,177,32,178,63,33],8,"project\u002Fcritical\u002Fdocs",[180,177,33,181,11,32],"3008533","maker\u002Fneutral\u002Fdocs",[83,141,42,149,84,33],[103,184,32,156,104,33],10,[186,35,42,187,188,33],"3008470","project\u002Fpositive\u002Fnone","IonWarp",[190,35,33,191,192,33],"3008562","commenter\u002Fcritical\u002Fnone","acangiano",[194,35,33,168,188,33],"3008592",[196,35,33,168,192,33],"3008624",[198,35,33,191,199,33],"3008753","gjm11",[201,35,33,168,202,33],"3009387","philwelch",[204,35,33,191,205,33],"3008910","scott_s",[207,35,33,168,208,33],"3010075","Luyt",[210,35,33,191,211,33],"3008601","ColinWright",[213,35,33,168,188,33],"3008604",[215,35,33,168,216,33],"3008648","bostonvaulter2",[218,35,33,168,188,33],"3008747",[220,35,33,168,205,33],"3008913",[222,35,33,223,224,33],"3008670","other\u002Fneutral\u002Fnone","neonkiwi",[],[227,232,236,241,246,251],{"id":228,"name":229,"points":230,"category":231},"3002117","Hacker News Mobile",209,"consumer_social",{"id":233,"name":234,"points":235,"category":20},"3003794","Fluid iPad App Concept",179,{"id":237,"name":238,"points":239,"category":240},"3009307","Pulse",163,"dev_tools",{"id":242,"name":243,"points":244,"category":245},"3022245","martin.drashkov.com",160,"hardware",{"id":247,"name":248,"points":249,"category":250},"3010970","Kerning.js",154,"languages",{"id":252,"name":253,"points":254,"category":255},"3013292","Crowd²",106,"web_saas",false,"v2",{"id":259,"name":5,"line":6,"ai":256,"cat":20,"year":13,"points":14,"comments":15,"rec":29,"s":260,"top":18,"kw":261,"maker":11,"domain":10,"tier":19,"attempts":33,"strip":262,"url":9,"mix":263,"praise":76,"objection":96,"sub":21},3008450,0.26,[24,25,26,27,28],"05301555000005105150000000000000",[18,32,33,34],1794036490300]