What Was the Serious Flaw in Early Studies Claiming That

Multiple Choice

What was the serious flaw in early studies claiming that bilingualism stunts cognitive development?

A) The monolingual children prepared in advance for the tests.
B) The bilinguals were given reduced bonus rewards.
C) The bilinguals were immigrants whose poor command of English gave them a disadvantage during the tests.
D) The bilinguals spoke complex languages such as Finnish, which occupy enormous space in the brain.