professional noticing of students' thinking about measurement (NOTE: professional = teacher or instructor also?)
mathematical identity and blended learning. "math* identity" AND ( "blended learning" OR "hybrid learning" )
factors that influence and motivat* undergraduate or ("higher education" AND "college students") ( female* or women) students to enroll and persist in "stem field*" or "stem education"
students' convictions with mathematical statements and arguments, if possible, to not include articles about "beliefs" or "mathematical beliefs" -- maybe work off of example articles that pinpoint what you are after to see what keywords focus a search in that direction.