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# How to write a good scientific hypothesis

HYPOTHESIS:

"CHILDREN WHO ARE PRETTY GOOD AT SOFTBALL ARE MORE WILLING TO PLAY BASEBALL IN A PARK DISTRICT TEAM THAN THOSE WHO ARE NOT GOOD AT SOFTBALL"

#### Solution Preview

Hi,

Let's start with the 'pretty good' part of the hypothesis. Think about how you could change this to be a testable, quantifiable statement. You could use any of a variety of measures of performance. Here are some ideas:

- skill = number of home runs + number of assists at getting runners out + number of successful hits at bat
you could then test anyone who has a certain score (e.g. greater than 50 but less than 70), as they might be identified as
'pretty good'. You could come up with a comparable number to identify children who are 'not good'. In this way, you are
basically creating a standardized score of skill.
- skill = coach's rating of players. You could ask softball coaches to identify their middle-level players for you and compare
those children to the ...

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