Is the data adjusted for family income?
“These associations continued to be significant even when the researchers controlled for demographic factors such as gender, ethnicity, socioeconomic background and prior achievement on similar exams in seventh grade.”
How much income does it take to teach a kid piano? And why do parents not do this
The Eastern European immigrants who occupied the lower east side during the first part of the 20th century knew music. They wrote all our musical they created a world of comedy, drama theater. They were inventors. They were not wealthy.