Step #3: What are
the Causes?
Joe is a good student. He usually studies the night before a
test. Then he does well on that test.
![](causes3_files/study.jpg) Sometimes Joe does not study the night before a test. He
watches TV or goes out with his friends. Then he does not do well on his
test.
![](causes3_files/tv.jpg)
What is the cause of Joe not doing well on some tests? He does
not study the night before. Joe knows that not studying causes low test
scores. Knowing the cause of a problem is very important. This is a cause
that Joe can eliminate.
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