The #NGSS propose diff experiences 4 Ss n sci classrooms, a ‘practice turn’. Recognizing this, we (Hyunju Lee @LonghurstMax @tjscience Dan Coster @LisaLundgren21 ) sensed a need 4 a survey 4 Ss 2 report their experiencs. Here’s a thread👇abt it 1/n

So what’s a ‘practice turn’? Forman (2018) shared how the practice turn is a move toward emphasizing the professional activities that scientists undertake 2 refine & critique explanations about events that happen in the world #NGSS 2/n https://t.co/AYXANkzQdD
We started from National Academies of Science’s Taking Sci 2 School (2007)/Ready Set Science (2008) 4 Strands of Sci Learning mapped 2 3-D learning in the Frameworks 4 K-12 Sci Ed 2 as features of science classroom experiences we wanted 2 ask Ss abt 3/n
These 4 strands of science learning include 1) Reflecting on Scientific Knowledge 2) Generating Scientific Evidence 3) Participating Productive n Science & 4) Understanding Scientific Explanations 4/n https://t.co/Rr0xtWsZBu
Next we developed questions 4 our survey w several questions about the 4 strands of learning (see example of questions some of these strands) - trying 2 use language from NAS documents as possible/appropriat 5/n
How do we know it measures what we say it does? We used a 5 stage development process (see figure) - As part of this, we asked some #NGSS experts 2 give us feedback on early drafts of our questions and refined our q’s based on feedback 6/n
How do we know the survey is reliable? We tested it w a buncha Ss in a middle school as they completed our survey 2 describe their experiences in science classrooms (approx. 300 of them! 7th/8th graders) 7/n
After collecting the surveys from a buncha Ss, we did some analysis 2 c if the question that were supposed to measure the same thing did - While many questions did what we intended some didn’t, so we got rid of them 8/n
From this, we ended up w a survey we call Next Generation Science Classrooms that has 35 questions and that is ready 4 us & others 2 try out as a resources for learning abt how successful we r n providing Ss practice turn focused experiences envisioned n #NGSS 9/n
In the end we think the NGSC can b used n the future 2 examine opportunity 2 learn n science classrooms at the school, district, state, or national level 10/n
And, here’s a link were we shared it w our friends/colleagues earlier - DM me/us if you are in interested in a copy! 11/n https://t.co/gFi2TeYYA9
Thnxs @LisaLundgren21 (our co-author, friend, & science communicator extraordinaire) 4 this most excellent link for supporting us & others n communicating our research 2 our tweeps! 12/n👏👊✊👏 https://t.co/wGXRRN5d1D

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We've been falsely told 'schools are safe', 'don't drive community transmission', & teachers don't have a higher risk of infection repeatedly by govt & their advisors- to justify some of the most negligent policies in history. 🧵


data shows *both* primary & secondary school teachers are at double the risk of confirmed infection relative to comparable positivity in the general population. ONS household infection data also clearly show that children are important sources of transmission.

Yet, in the parliamentary select meeting today, witnesses like Jenny Harries repeated the same claims- that have been debunked by the ONS data, and the data released by the @educationgovuk today. How many lives have been lost to these lies? How many more people have long COVID?

has repeatedly pointed out errors & gaps in the ONS reporting of evidence around risk of infection among teachers- and it's taken *months* to get clarity on this. The released data are a result of months of campaigning by her, the @NEU and others.

Rather than being transparent about the risk of transmission in school settings & mitigating this, the govt (& many of its advisors) has engaged in dismissing & denying evidence that's been clear for a while. Evidence from the govt's own surveys. And global evidence.

Why?

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The YouTube algorithm that I helped build in 2011 still recommends the flat earth theory by the *hundreds of millions*. This investigation by @RawStory shows some of the real-life consequences of this badly designed AI.


This spring at SxSW, @SusanWojcicki promised "Wikipedia snippets" on debated videos. But they didn't put them on flat earth videos, and instead @YouTube is promoting merchandising such as "NASA lies - Never Trust a Snake". 2/


A few example of flat earth videos that were promoted by YouTube #today:
https://t.co/TumQiX2tlj 3/

https://t.co/uAORIJ5BYX 4/

https://t.co/yOGZ0pLfHG 5/