An impact on early education stunting people’s reading capabilities wouldn’t show up for about 10~20 years… so… between 2015 and now is where the impact would be most obvious.
There are of course other factors, such as the cost cutting and underpaying of teachers leading to shortages and larger class sizes, but the introduction of whole language absolutely lines up with the dramatic spike seen recently in functionally illiterate young adults/teens, if you account for the fact that the effects wouldn’t be fully manifested until people taught it in kindergarten reached a point where they’re expected to be functionally literate teens and young adults.
An impact on early education stunting people’s reading capabilities wouldn’t show up for about 10~20 years… so… between 2015 and now is where the impact would be most obvious.
There are of course other factors, such as the cost cutting and underpaying of teachers leading to shortages and larger class sizes, but the introduction of whole language absolutely lines up with the dramatic spike seen recently in functionally illiterate young adults/teens, if you account for the fact that the effects wouldn’t be fully manifested until people taught it in kindergarten reached a point where they’re expected to be functionally literate teens and young adults.