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e.  Their stage of development – for example, adolescents may be more interested in the opposite sex than in their careers, whereas students undertaking tertiary
education may be more concerned with their future occupation. Based on the factor caused of interest above, there is Maslow’s hierarchy
of  needs.  Slavin  1997:  348  states  that  Maslow  identifies  two  types  of  needs: deficiency  needs  and  growth  needs.  People  are  motivated  to  satisfy  needs  at the
bottom of the hierarchy before seeking to satisfy those at the top. Table 2. 2 Maslow’s Hierarchy of Needs
Picture 2. Maslow’s Hierarchy of Needs Adapted by Chapman, 2001
2. The Aspects of Interest
a. Aspects  of  interest  based  on  Ruber  are  attention,  curiosity,  motivation
and need.
Ruber  in  Muhibin Syah 1995:  136  writes that  interest is dependent  into some  aspects  such  as  attention,  curiosity,  motivation  and  need.  They  include  as
four  psychologically activities related each other  and can  not be separated.  They will be explained below:
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1  Attention Attention  is  one  of  the  aspects  of  interest  because  attention  and  interest
have a hard relationship. Bimo Walgito 1998: 145 states that attention has a hard relationship with interest. If someone is interested toward something, it will show
the  spontaneous  attention.  Attention  is  the  evidence  if  someone  interested  to something.  Kartini  Kartono  1990:  111  states  that  attention  is  the  common
reaction  from  the  human  being  and  the  conscious  which  caused  the  adding  of activities, concentrates and the boundary toward the object.
2  Curiosity Loewintein  in  Elliot,  et  al.,  2000:  348  states  curiosity  is  cognitively
based  emotion  that  occurs  when  a  student  recognizes  a  discrepancy  or  conflict between  what  he  or  she  believes  to  be  true  about  the  world  and  what  turns  out
actually to be true. Students are believed to feel curious about events that they can neither  make  sense  of  nor  explain  fully.  In  addition,  curiosity  occurs  when
students encounter unexpected, novel and unpredictable objects. Elliot, et al., 1999: 346 writes that curious behavior is often described by
other  similar  terms,  such  as  exploratory,  manipulate,  or  active.  To  identify  the origin  of  curiosity  is  difficult.  Explanations  have  focused  on  external  factors
something  in  the  pupil’s  environment  is  attractive,  or  on  internal  ones  human beings need stimulation.
3  Motivation Brown  1994:  152  states  that  motivation  is  an  inner  drive,  impulse,
emotion,  or desire  that moves one to a particular  action. Motivation refers to the
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choices people make us to what experiences or goals they will approach or avoid, and the degree of effort they will exert in that respect.
Elliot,  et  al.,  2000  writes  some  functions  of  motivation,  they  are:  a motivation  increases  an  individual’s  energy  and  activity  level,  b  motivation
directs  an  individual  toward  certain  goals,  c  motivation  promotes  initiation  of certain  activities  and  persistence  in  those  activities,  d  motivation  affects  the
learning strategies and cognitive processes an individuals employs. 4  Need
Kolesnik  in Moore  1999:  356  states that a need can  be defined as  “any type  of  efficiency  in  the  human  organism  or  the  absence  of  anything  the  person
requires,  or  thinks  he  requires,  for  his  overall  well-being”.  Obviously,  students will  enter  the  class  with  a  wide  variety  of  needs.  Moore  1999:  357  writes  that
need  can  be  described  as  deficiency,  real  or  imaginary,  that    person  requires  for well-being.
Indeed,  Maslow  in  Moore  1999:  356  writes  that  human  needs  function on seven  hierarchical  levels.  The  first  four, lower-level  needs,  labeled deficiency
needs, are the needs for survival,  safety, belonging, and self-esteem, whereas the tree  higher-level  being  needs  comprise  the  needs  for  intellectual  achievement,
aesthetic  appreciation,  and  self-actualization.  The  being  needs,  unlike  the deficiency  needs,  are  never  truly  satisfied;  that  is,  the  quest  for  their  fulfillment
only motivates individuals to seek further fulfillment.
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b. Aspects of interest based on Kartini Kartono are cognitive, affective and