[Wonder Warthog]

"3) Group intelligence tests have a tendency to show linguistic and cultural biases, but they’re easier to give than one-on-one intelligence tests."

How does a test that compares a group of different shapes and asks one to make logical inferences from those patterns show "linguistic and cultural bias"????

Such tests show the same "racial" differences as those which use regular language.

[From many - one.]

“How does a test that compares a group of different shapes and asks one to make logical inferences from those patterns show “linguistic and cultural bias”????

1. Familiarity with the geometric concepts involved.

2.motivation to try

3.nutritional status of the population taking the test

4. genera early childhood stimulation