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CHAPTER III RESEARCH METHOD
A.  Type of the Research
This research  was a  research  and  development  study  because  it created a product, a set of supplementary learning materials for written cycle. this product
was  aimed  to  be  used  by  students  majoring  in  Automotive  Engineering  at vocational  highschools.  This  research  was  based  on  Borg  and  Gall  1983:  775
schema with some modifications.
B.  Settings and Subjects of the Research
This  research  was  conducted  at  SMKN  1  Seyegan  on  May  2016.  The settings of this research was Automotive Engineering department. The department
is  one  of  seven  specialized  majors  besides  Autotronics  Engineering,  Motorcycle Engineering,  Computer  and  Networking  Engineering,  Metal  Fabrication
Engineering,  Civil  and  Planning  Engineering  Teknik  Gambar  Bangunan, Concrete  Construction  Engineering  Teknik  Konstruksi  Batu  and  Beton.  This
school is also promoted as one of leading vocational schools in Sleman regency. The  participants  of  the  research  were  grade  XI  students  of  Automotive
Engineering  at  SMKN  1  Seyegan.  There  were  three  classes  of  the  department. However, only one class was chosen as a sample.
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C.  Research Procedure
figure 2. the flow of research procedure
This  research  used  guidance  provided  by  Borg    Gall  1983:  775. However,  there  were  some  modifications  to  the  procedure  of  the  study.  The
modifications  that  happened  were  to  comply  the  nature  of  a  research  and development research  in Yogyakarta State University rule. The study  was up to
operational  product  revision  without  preeliminary  field  testing  and  main  field testing, as both are replaced by experts’ judgement. To comply that the developed
product was good to be applied in field, the product must be in compliance with national standard set by national education standardization commission.
There  were  some  steps  to  complete  this  study,  namely:  research  and information  collecting,  planning,  developing  the  preliminary  form  of  product,
experts  judgement  and  writing  the  final  product.  The  steps  of  research  were  as follows.
Research and Information Collecting
planning
Developing preliminary product
Experts’ Judge e t Developing the final
product