Top Tweets for #CALDER2020
NEW on #Testing123blog!
Another testing straw man bites the dust
https://t.co/nxRgVaeC9P #AssessmentHQ #CALDER2020 @StudentSuccess @BernieSanders @SenSanders @caldercenter @caldercouncil @CEDR_US @DFuchsmArkansas @gema_zamarro @madeline_will
Missed #CALDER2020? We can’t replicate the atmosphere & camaraderie, but you can still read & watch research presented on academic mobility, principals, special education & more. Use the "Paper" & "Presentation" hyperlinks on the conference agenda (https://t.co/TMbYUJxQKO).
In Many Districts, a Child's Academic Trajectory Is Set by 3rd Grade. @SarahDSparks looks at a new @caldercenter study. Learn more: https://t.co/yZCiWd0bic #CALDER2020
Now at #CALDER2020 Research Conference: Panel discussion on teacher policy a decade after RttT: which way now? Views from @CEDR_US @EricHanushek @KiraboJackson @MeaganComb & Helen Ladd

Coming up this session at #CALDER2020: FutureEd advisory board member @KiraboJackson presents "School Effects on Socio-emotional Development, School-Based Arrests, and Educational Attainment"
Ijun Lai: Students with Disabilities have teachers with lower math value-added, lower evaluation scores, & less experience than general education students. However, we find little indication this differs by school poverty rates. #CALDER2020
Ijun Lai: Using data from Los Angeles public schools, we look at teacher quality gaps using different measures and across school level poverty rates. #CALDER2020
Listening to @cara__jackson from @bellwethered presenting her work at the annual #Calder2020 sessions @AIRInforms. #teacherquality #teachermovement #teacherturnover and high stakes testing.

Is standardized testing driving teachers out of the profession? A study by TIm Sass of @GeorgiaStateU found no real change in attrition when Georgia cut back on testing, except for a modest reduction for early-career teachers. #CALDER2020
Tim Sass: While there may be other reasons for reducing statewide testing, we found no evidence that reducing testing will significantly impact the likelihood that teachers exit public school teaching. #CALDER2020 @DFuchsmArkansas @gema_zamarro
Tim Sass: The elimination of science and social studies tests in grades 6 and 7 also did not alter middle school teacher attrition overall, but did lower attrition of early career-teachers from 14% to 11%. #CALDER2020 @DFuchsmArkansas @gema_zamarro
Tim Sass: Georgia dropped testing of 1st & 2nd graders after 2010 & eliminated in science & social studies tests from certain grades in 2017. We use this variation to study the impact of testing on teacher mobility. #CALDER2020 @DFuchsmArkansas @gema_zamarro
Not only is there segregation among schools, but there's considerable segregation within schools, especially in high school math classes, says @DukeU researcher @CClotfelter says, presenting his latest research at. #CALDER2020
@DukeU’s @CTClotfelter & @sunnyladd; In 2013 *Wake County* had unusually large within-school black/white #segregation in 10th grade, making it more segregated than Charlotte-Mecklenburg; #ncpol; #nced. #CALDER2020
@DukeU’s @CTClotfelter & @sunnyladd; We find that #segregation *within* schools is sizable, especially in high schools; #nced. #CALDER2020
Helen Ladd: Our revealed preference analysis by race of the chooser in North Carolina indicates that choices among charter schools will inevitably lead to racially imbalanced charter schools. #CALDER2020
Following remotely #CALDER2020. How I wish I was there in person! Great presentations. Important research!
@CoryKoedel: There is statistically & economically meaningful variation across sch districts in academic mobility. Value-added to student test scores & student socioeconomic status (esp the FRL share) are the strongest district-level predictors of academic mobility. #CALDER2020
@CoryKoedel is opening the 2020 @caldercenter conference by presenting new work on academic mobility: i.e., the extent to which student ranks in the distribution of academic performance change during K-12 education. #CALDER2020
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