Intelligence presents in different way, but they’re all correlated with each other. The idea that people can be intelligent in different things is mostly a myth: https://researched.org.uk/2018/09/26/myth-busting-gardners-m...
"'Even in our book, we don’t want to call this theory a complete myth, but instead label it as ‘nuanced’."
> Why? Well, the basic idea behind this theory is that people are different, and maybe you’ve noticed – they really are. People have different interests, different abilities, different moods, etc.
The author isn’t saying that the multiple-intelligence theory is itself valid. Rather, in an educational context, there is a kernel of value in the idea that different students are different. That’s entirely consistent with intelligence being a single thing.