"0"^^ . . . "100025221"@en-us . . . "poorer than expected performance (poorer than might have been predicted from intelligence tests)"@en-us . "underachievement"@en-us . . . . . . "100047550"^^ . "00047550-n"^^ . . . "underachievement"^^ . . "100042660"@en-us . . . "0.125"^^ .