@jonbecker @STEMeducator I can't remember author but saw an awesome study last year that used images pre and post for teachers 2 rate tpck
In reply to https://twitter.com/jonbecker/status/13269849493
@jonbecker @STEMeducator I can't remember author but saw an awesome study last year that used images pre and post for teachers 2 rate tpck
By Greg McVerry · Permalink · Original tweet
