Junk education-----Ethnic studies mandate based on ‘fundamentally flawed research,’ Penn data scientist says

Ethnic studies mandate based on ‘fundamentally flawed research,’ Penn data scientist says link
"Two academic papers used to justify California’s high school ethnic studies requirement relied on poor statistical methods, according to a University of Pennsylvania data scientist.
...They referred to the studies as “fundamentally flawed” and said the results were “ambiguous” due to a “muddled” experiment.
The two studies, “demonstrate how easy it is in our overheated political environment to subvert statistical analyses for political purposes,” the professors wrote in their Tablet essay.

• The 2017 paper used a faulty unreliable control and treatment group and utilized a small sample size (only 112 students were below a 2.0 GPA) among other problems, according to the essay...
• But students were allowed to drop out or enroll in the class on their own accord, the essay authors wrote.
• The experiments “support no conclusion, either positive or negative, about the effects of this particular ethnic studies course in these particular schools and times,” the two professors wrote.  Read the essay.