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D. Intelligence
1. Definition of Intelligence
Thordike  in  Djaali  2007:  64 defines intelligence as demonstrable in ability of individual to make good responses from the stand point of truth
or  fact.  According  to  Terman in Djaali 2007: 64 intelligence is the ability to carry on abstract thinking. Binet in Aiken 1997: 136 defines intelligence
as the ability to think abstractly, the ability to learn, and the ability to adapt to  environment.  Another  definition  comes  from  wordnetweb  www.
wordnetweb.princenton.eduperlwebwn states that intelligence is the ability to comprehend, understand, and profit from experience.
Santrock  1990:  115  states  intelligence  is  problem-solving  skills, the ability to adapt an
d to learn from life’s everyday experience. Vygotsky in Santrock 1990: 115 says that intelligence is the ability to use the tools
of the culture with help for more- skilled individual. It  is said by Super and Cites in Soemanto 1990: 178 intelligence
is  the  ability  to  adjust  to  the  environment  or  to  learn  from  experience. According  to  Garret  in  Soemanto  1990:  179  intelligence  is  the abilities
demanded in the solution of problem which require the comprehension and use of symbol. Another definition comes from Biscrof 1990: 179, he says
that intelligence is the ability to solve the problem of all kinds. Intelligence is  the  ability  to  think  abstractly  and  to  learn  readily  from  experience
Flynn in Christensen, 2000: 114.
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2. Factors of Intelligence
Djaali  2007:74-75  states  there  are  some  factors  that  influence intelligence:
a.
Faktor   pembawaan,  factor   ini  ditentukan  oleh  sifat  yang  dibawa  sejak lahir
b.
Faktor   minat  dan  pembawaan  yang khas, dimana  minat mengar ahkan per buatan  kepada  suatu  tujuan  dan  menjadi  pendor ong  per buatan
ter sebut
c.
Faktor   pembentukan,  pembentukan  adalah  segala  keadan  diluar   dir i seseor ang yang mempengar uhi per kembangan kecer dasannya
d.
Faktor   kematangan,  tiap  or gan  dalam  tubuh  manusia  mengalami per tumbuhan dan per kembangan
e.
Faktor   kebebasan,  ber ar ti  manusia  dapat  memilih  metode  ter tentu dalam memecahkan masalah yang dihadapi.
There  seem  to  be  three  main  factors  that  influence  intelligence: http:www.psychpage.comlearninglibraryintellintronotes5.html
a.  Genetics b.  Biology  and  Biochemistry,  there  are  a wide range of biological factors
that can impact intelligence. c.  Environment,  there  are  a  number of environmental factors that impact
child  cognitive  development:  demographics,  poverty,  bird  order, childhood trauma, environmental  stress, and parenting.
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3. Theories and types of Intelligence