The  English  language  is  also  neatly  structured  with 
accurate pronunciation. On the other hand, the usually 
spontaneous Mehr was seen several times hesitant to 
talk to strangers. Mehr was worried that the language 
she  used  was  not  well  organized.  This  makes  it 
difficult to find ideas or ideas to talk about. Though 
usually,  Mehr  is  spontaneous  in  speaking,  fluent  in 
expressing  her  heart  and  opinion.  It  is  precisely 
Mahira who tends to be quiet and be a good listener. 
If  seen  from  the  achievements  in  elementary 
school,  both  have  achievements  that  are  not  much 
different.  Both  have  experienced  entering  the  top 
three  and  the  top  ten.  However,  in  daily  life,  Mehr 
prefers  to  tell  stories  and  share  jokes  with  family 
members  to  make  family  members  laugh.  While 
Mahira will  listen and  tend to  be quiet  and not talk 
much but likes to read. 
The  description  above  is  a  description  of 
individual differences that affect the way of learning 
a  foreign  language  (in  this  case  English)  and 
expressing  language.  As  explained  in  the  sub-
literature review about Julie.  She obtained her second 
language even in a very natural way and only lasted 5 
years  from  the  first  age  she  learned  her  second 
language. In the conclusion that Julie is a naturalistic 
learner  /  person  who  learn  tha  second  language it’s 
mean  foreign  language  for  her  without  formal 
situation.  Julie  is  a  unique  individual  who  acquires 
her second language naturally which does not require 
formal instruction in mastering Arabic language skills. 
At that time she was only 26 years old. So only about 
5  years,  she  learned  Arabic  naturally.  She  also  has 
good  pronunciation  and  excellent  communicative 
abilities. Schmidt explained that Julie noted what she 
had to do to master Arabic (in this case) by looking at 
the needs factor. (Schmidt, 2012) 
5  CONCLUSION 
According to the discussion above that metalinguistic 
awareness  and  individual  differences  it’s  mean 
individual language learner have a role in the growth 
of  language  skills  in  children  and  it’s  impact  on 
foreign language learning. There are two individual 
in this research that have been an object on this paper, 
reflective and impulsive. Impulsive is someone who 
likes  to  do  things  quickly  or  spontaneously  and 
reflective  otherwise  requires  time  to  think  before 
doing something. But in some case that reflective is 
quieter and impulsive is quickly but some times that 
reflective more quieter than impulsive and impulsive 
more  quicker  than  reflective.  Therefore  basically 
every individual has different potential and different 
ways to learn a foreign language.
 
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