1. What is the effect of hand dominance on reaction time?
purpose

2. Hypothesis
The dominant hand will be quicker than the non-dominant.

3. Materials
Ruler
Calculator
28 people
table

4. Procedure 1. Drop ruler between fingers of dominant hand.
2. Drop ruler between fingers of non-dominant hand.
3. Record distance fallen for each.
4. Perform calculations for hangtime.

5. Results 24cm-.22 sec 23cm-.22 sec 20cm-.20 sec 21cm-.21 sec
Dominant
24cm-.22 sec
23cm-.22 sec
20cm-.20 sec
21cm-.21 sec
28cm-.24 sec
22cm-.21 sec
17cm-.19 sec
12cm-.16 sec
25cm-.23 sec
16cm-.18 sec
8cm-.13 sec
14cm-.17 sec
11cm-.25 sec
18cm-.19 sec
19cm-.20 sec
Non-dominant
30cm-.25 sec
23cm-.22 sec
18cm-.19 sec
19cm-.20 sec
13cm-.16 sec
20cm-.20 sec
28cm-.24 sec
22cm-.21 sec
24cm-.22 sec
10cm-.14 sec
12cm-.16 sec
5cm-.10 sec
16cm-.28 sec
11cm-.15 sec
15cm-.17 sec
29cm-.24 sec

6. Results-averages
Dominant
18.4cm-.19 sec
Non-Dominant
20.3cm-.20 sec

7. Results-Graph

8. Conclusion
The hypothesis was correct. The dominant hand had a quicker reaction time by about 5%.