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a. Definition
According to  Steele 2005, mind mapping  is  a  strategy for making notes on a topic,  which is  prior to  writing.  It  is  a structured strategy,  which shows the
hierarchical relationship of ideas, as opposed to an unstructured strategy, such as brainstorming, in which students produce notes randomly on a paper.  Buzan and
Buzan 1994, p.59 says that mind mapping is an expression of Radiant Thinking and therefore it is a natural function of the human mind. It is a powerful graphic
technique  which  provides  a  universal  key  to  unlock  the  potential  of  the  brain. Buzan and Buzan 1994, p. 84 also state that it harnesses the full range of cortical
skills-word,  image,  number,  logic,  rhythm,  color  and  spatial  awareness-  in  a single, uniquely powerful manner.
b. Process
According  to  Buzan  and  Buzan  1994,  p.  93,  there  are  three  basic instructions in the process of creating mind mapping. Those basic instructions are
called the three „A‟s; „Accept‟, „Apply‟, and „Adapt‟.  Buzan and Buzan  1994 write  that  in  the  first  stage,  the  users  should  follow  the  mind  mapping  laws
exactly, imitating the models given as precisely as the users can. In the „Apply‟, the users create a minimum of 100 mind mapping. For the third stage, Buzan and
Buzan  1994  state  that  this  is  the  time  to  do  the  experiments  with  ways  of adapting the mind mapping form.
Mind mapping laws are divided into the laws of techniques and the laws of layout.  The  laws  of  technique  consist  of  four  stages.  Namely  using  emphasis,
association, being clear and developing a personal style. The laws of layout have PLAGIAT MERUPAKAN TINDAKAN TIDAK TERPUJI
22 two  stages,  namely  using  hierarchy  and  using  numerical  order  Buzan    Buzan,
1994, p. 93. In  this  study,  mind  mapping  is  a  tool  for  the  students  to  improve  their
speaking skill. Mind mapping technique is the best technique to teach students in senior  high  school  because  it  is  simple.  Besides,  this  is  the  simple  technique,
students  are  also  easy  to  remember  their  idea  when  they  write  their  own  mind mapping.
B. Theoretical Framework
In  this  section,  the  writer  synthesizes  all  basic  theories  discussed  in  the theoretical  description.  The  theories  are  about  mind  mapping  and  speaking  skill.
This  study  aims  to  design  a  set  of  speaking  instructional  materials  using  mind mapping for the 11
th
grade students of SMA N 1 Ngaglik. In this study, speaking activity  refers  to  an action when students  try  to  share their ideas to  other people
with their own perception and it is also a skill how they can deliver the content for other  people.  Furthermore,  the  writer  uses  the  theories  of  teaching  speaking
principles  based  on  Scrivener  1998,  Harmer  1991  and  Larsen  2000  to observe the English lesson in the school and to  analyze the characteristics of the
learners. The writer also uses CLT as the approach of this study.
This  study  uses  mind  mapping  as  a  tool  for  students  to  improve  their speaking  skill  that  make  students  easy  to  remember  their  idea  Vanessa  Stelle,
2005.  This  study  also  uses  instructional  designed  model  proposed  by  Kemp 1977 and Yalden
1987. Kemp‟s model has eight parts of instructional design, PLAGIAT MERUPAKAN TINDAKAN TIDAK TERPUJI