Archive for December, 2021

How nonverbal are nonverbal IQ tasks?

I think we sometimes ASSUME that nonverbal tasks are nonverbal in the same way. And you know what happens when we assume right?? This is true for IQ tests that test nonverbal abilities. We have to ask what kinds of abilities? How are these tested? How are they elicited? And, how are they observed?

There are different kinds of nonverbal tasks. Sometimes the instructions are given verbally but the response is pointing, manipulating, constructing, or gesturing. Sometimes both instructions and responses are nonverbal. Some IQ tests are fully nonverbal, others have nonverbal subtests. In a paper published a couple of years ago, we were interested in how bilingual children with and without developmental language disorder (DLD) performed on nonverbal tests.

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