Does tutoring work? It depends on the test
A reader sends me this question: Hi Emil, I'm wondering what your opinion is on the question of whether reading comprehension skills can be improved through tutoring. I'm an American…
The persistent denial of the intelligence meritocracy: Gary Marks
Gark N. Marks has a new review article out. And it doesn't pull punches! Marks, G. N. (2022). Cognitive ability has powerful, widespread and robust effects on social stratification: Evidence…
Examining the S factor in US states
Abstract A dataset of 25 diverse socioeconomic indicators for US states was compiled and subjected to factor analysis. Results showed that Washington DC was a strong outlier, but if it…
Test prepping discussion
From reddit http://www.reddit.com/r/Khan/comments/1znhcx/khan_academy_gets_rare_partnership_to_close/ Me: Test prepping does not work very well, so it's a minor issue. SAT and ACT tests are mainly tests of g and one cannot train g.…