[{"data":1,"prerenderedAt":179},["ShallowReactive",2],{"project-38082290":3},{"id":4,"name":5,"line":6,"line_source":7,"title":8,"url":9,"domain":9,"maker":10,"posted_at":11,"year":12,"points":13,"comments":14,"rank_in_year":15,"shown_in_year":16,"top":17,"tier":18,"category":19,"subcategory":20,"format":21,"keywords":22,"reception":26,"sentiment":9,"stance_mix":27,"scored_comments":31,"aspects":32,"strip":35,"post_text":37,"what":38,"said":61,"maker_in_thread":114,"shape":122,"grid":125,"attempts":140,"same_week":141,"maker_shows":31,"maker_hidden":171,"reader_version":172,"card":173},"38082290","Amy","Learn Fractions with our Automated Private Tutor","title","Show HN: Learn Fractions with our Automated Private Tutor",null,"BrandiATMuhkuh",1698745530,2023,6,8,2778,3109,90,"shown","learning_science","automated tutoring","web_app",[23,20,24,25],"fractions tutor","math learning","adaptive learning","quiet",{"positive":28,"neutral":29,"mixed":30,"critical":30},1,2,0,3,{"design":33,"execution":34},{"positive":30,"critical":30},{"positive":28,"critical":30},[30,31,30,31,30,30,30,36],5,"Hi HN, we are Jurgen (CTO) and Raphael (CEO) from amy.app\n\nWe have been working for several years on a tool (Amy) that emulates a private tutor. Amy is based on Raphael's experience as a tutor and university lecturer in Mathematical Modeling.\n\nToday we want to show you Amy in action by teaching you fractions.\n\nWhy fractions?: Because fractions form the foundation of many more advanced topics and is often the first major barrier to student success in maths. Mastering fractions is an important indicator of long term success.\n\nWhy tutoring?: Tutoring has been shown to be one of the most efficient",{"problem":39,"audience":45,"pricing":9,"motivation":53,"time_to_build":9,"stack":57,"openness":58,"stage":59,"team_size":60},{"value":40,"source":41,"evidence":42},"Students struggle with fractions, a foundational barrier to later maths; tutoring is effective but costly.","maker",[43],{"id":44},"post",{"value":46,"source":47,"evidence":48},"Students learning fractions and teachers","inferred",[49,50],{"id":44},{"id":51,"by":10,"text":52},"38084571","No. What you see are buttons so select from. Too often do students give the wrong answer because their input is wrong and not their math. We took at unnecessary pitfall out of…",{"value":54,"source":41,"evidence":55},"Bring private-tutor style learning to students, based on Raphael's tutoring experience.",[56],{"id":44},[],"unknown","launched","team",{"praise":62,"objections":78,"requests":85,"questions":96,"alternatives":103},[63,70],{"value":64,"source":41,"evidence":65},"Step-by-step feedback and button-based input help students focus on maths, not input errors.",[66,69],{"id":67,"by":10,"text":68},"38084276","Sure thing. Here is the main interaction. You will see how amy gives you feedback after you do something. The interaction is step by step. Instead of \"give me the full answer at…",{"id":51,"by":10,"text":52},{"value":71,"source":72,"evidence":73},"Used in university classrooms with anecdotal reports of usefulness.","commenter",[74],{"id":75,"by":76,"text":77},"38097660","gus_massa","It's still in use. We have like 400 classrooms and like 400 T.A. so it's difficult to get a good statistic. We have some anecdotal evidence from students and T.A. that say that…",[79],{"value":80,"source":72,"evidence":81},"Commenter asked why the student gives five replies, unclear from the screenshot.",[82],{"id":83,"by":76,"text":84},"38084524","Why does the student give 5 replies? How does the student add the fractions? Do you have a wysiwyg editor? (I don't expect everyone to type LaTeX.)",[86,90],{"value":87,"source":72,"evidence":88},"Provide a WYSIWYG editor for entering fractions rather than typing LaTeX.",[89],{"id":83,"by":76,"text":84},{"value":91,"source":72,"evidence":92},"Share screenshots of the interface.",[93],{"id":94,"by":76,"text":95},"38084170","Do you have any screenshots?",[97],{"value":98,"source":72,"evidence":99},"Does the tool have measured learning outcomes?",[100],{"id":101,"by":10,"text":102},"38088923","That's pretty cool. Is it still in use? And what affect did it have on the students. Did they learn well with it?",[104,108],{"value":105,"source":41,"evidence":106},"Khan Academy",[107],{"id":44},{"value":109,"source":72,"evidence":110},"Moodle quizzes",[111],{"id":112,"by":76,"text":113},"38085694","We did something similar with Moodle for the students of the fist year of my University. The fist quiz includes fractions, because they still can operate with fractions :( . One…",{"comments":115,"answered":29,"key":116},4,[117,120,121],{"id":118,"text":119},"38082566","Here is a clickable link directly to the fractions course: https:\u002F\u002Flearn.amy.app?inviteCode=pef1d",{"id":67,"text":68},{"id":51,"text":52},{"commenters":29,"max_depth":14,"maker_replies":115,"first_comment_mins":123,"lifespan_hours":124},33,27,[126,128,130,132,133,134,136,138],[118,30,30,127,10,28],"project\u002Fneutral\u002Fnone",[94,30,31,129,76,30],"project\u002Fneutral\u002Fdesign",[67,30,30,131,10,28],"project\u002Fpositive\u002Fdesign",[83,30,31,129,76,30],[51,30,30,131,10,28],[112,30,30,135,76,30],"other\u002Fneutral\u002Fnone",[101,30,30,137,10,28],"commenter\u002Fneutral\u002Fnone",[75,30,36,139,76,30],"project\u002Fpositive\u002Fexecution",[],[142,147,152,157,162,166],{"id":143,"name":144,"points":145,"category":146},"38052344","OpenSign",545,"web_saas",{"id":148,"name":149,"points":150,"category":151},"38044782","WireHole",298,"infrastructure",{"id":153,"name":154,"points":155,"category":156},"38038239","ScratchDB",261,"data",{"id":158,"name":159,"points":160,"category":161},"38084098","postgresql-event-sourcing",231,"dev_tools",{"id":163,"name":164,"points":165,"category":151},"38086598","MicroTCP",204,{"id":167,"name":168,"points":169,"category":170},"38093083","Halloween game (snail terminal demo)",173,"games",false,"v2",{"id":174,"name":5,"line":6,"ai":171,"cat":19,"year":12,"points":13,"comments":14,"rec":26,"s":9,"top":17,"kw":175,"maker":10,"domain":176,"tier":18,"attempts":30,"strip":177,"url":-1,"mix":178,"praise":64,"objection":80,"sub":20},38082290,[23,20,24,25],"","03030005",[28,29,30,30],1794036644002]