The Natural Approach
Krashen and Terrell (late 1970~)
	
1
Input Hypothesis	
Stephan Krashen (1977)
2	
Language ability is gained through
acquisition rather than learning and that
learners acquire through input that is at
the level just beyond their current
ability.
Input Hypothesis	
The Input Hypothesis	
The Acquisition Learning Hypothesis	
The Monitor Hypothesis	
The Natural Order Hypothesis	
The Affective Filter Hypothesis	
3
The Acquisition Learning Hypothesis	
4
The Input Hypothesis	
5
The Monitor Hypothesis	
Have you..
(え〜とhave	
  +	
  過去分詞
だから)
tried Natto?	
6
The Natural Order Hypothesis	
I like Arashi and
she like EXILE! 	
7
The Affective Filter Hypothesis	
8
9
10	
No
worries!	
I can’t do it…
11	
Good job!!
Input Hypothesis	
The Input Hypothesis	
The Acquisition Learning Hypothesis	
The Monitor Hypothesis	
The Natural Order Hypothesis	
The Affective Filter Hypothesis	
12
13	
Good job!!	
I like Arashi and
she like EXILE!
Krashen,	
  S.D.	
  (1989),	
  We	
  acquire	
  vocabulary	
  and	
  spelling	
  by	
  
reading:	
  addi5onal	
  evidence	
  for	
  the	
  input	
  hypothesis,	
  Modem	
  
Language	
  Journal,	
  73,	
  n⁰4,	
  pp.	
  440–464	
  
Krashen,	
  S.	
  (2003).	
  Explora5ons	
  in	
  Language	
  Acquisi5on	
  and	
  
Use.	
  Portsmouth:	
  Heinemann.	
  
	
14	
References:
15	
Thank
you	
Saori	
  Dorman	
  
japahana@gmail.com

What is Input Hypothesis