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How Many Shoe Lengths Lab Report

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Choose two points in a relatively straight line (for example, two ends of a hallway).

1. What is the length of your shoe (guesstimate or measure exactly). 9 inches
2. Walk from point A to point B and back, recording the number of shoe lengths (stepping heel to toe). 31 steps
3. How many shoe lengths from point A to point B? 16 steps
4. How many shoe lengths from point B point A? 15 steps
5. How many shoe lengths total? 31 steps

6. Repeat steps 2-5:
7. Walk from point A to point B and back, recording the number of shoe lengths (stepping heel to toe). 31 steps
8. How many shoe lengths from point A to point B? 16 steps
9. How many shoe lengths from point B point A? 15 steps
10. How many shoe lengths total? 31 steps
How much agreement between 3 and 4 (split half reliability)? …show more content…
In this example the agreement between 5 and 6 was not a completely even comparison. In our book it stated that fewer items lead to decreased relaiblity, which may have been a factor in this specific case.

How much agreement between 5 (total) and 6 (second total after repeating it all over again).

This was testing for test/retest reliability meaning that it looks at the consistency of the test over time. The agreement between 5 and 6 was consistent in my tests over time. In this example of test-retest reliability we were looking at consistency over time in taking steps in a halloway twice by testing the correlation coefficient (the steps) within the same test two times.

11. Change shoes and do 1-5 again:
12. What is the length of your shoe (a guesstimate or measure exactly). 9.5 inches
13. Walk from point A to point B and back, recording the number of shoe lengths (stepping heel to toe). 28

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