Certain brats, being naughty, who won't think straight? (12)

I believe the answer is:

scatterbrain

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'won't think straight?' is the definition.
I can't tell whether this definition defines the answer.

'certain brats being naughty' is the wordplay.
'being naughty' is an anagram indicator.
'certain'+'brats'='certainbrats'
'certainbrats' is an anagram of 'SCATTERBRAIN'.

'who' is the link.

Can you help me to learn more?

(Other definitions for scatterbrain that I've seen before include "Person incapable of concentration" , "One who cannot concentrate" , "butterfly" , "I'll forget" , "Dippy type" .)

I've seen this clue in The Times.

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