Which of the following is an example of intrinsic motivation?

Johnny is curious about hurricanes, so he researches them online.
Ana needs money, so she interviews for a new job.
Joel wants an "A" on his exam, so he skips the movies to study.
Monica needs to earn a scholarship, so she spends hours on the soccer field.

Question

Which of the following is an example of intrinsic motivation?

 Johnny is curious about hurricanes, so he researches them online.
 Ana needs money, so she interviews for a new job.
 Joel wants an "A" on his exam, so he skips the movies to study.
 Monica needs to earn a scholarship, so she spends hours on the soccer field.

anonymous · Answer

Intrinsic motivation is internally generated.  needing money is an external force.  
An "a" is external as well, reflecting perhaps peer pressure or desire for recognition.  Desiring a scholarship is also an example of external force.  Learning for learning's sake is an internal / self directed force.  Your answer is "Johnny is ..."