What is the effect of hand What is the effect of hand dominance on reaction time?dominance on reaction time?

purposepurpose

HypothesisHypothesis

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

MaterialsMaterials

RulerRuler CalculatorCalculator 28 people28 people tabletable

ProcedureProcedure

1. Drop ruler between fingers of dominant 1. Drop ruler between fingers of dominant hand.hand.

2. Drop ruler between fingers of non-2. Drop ruler between fingers of non-dominant hand.dominant hand.

3. Record distance fallen for each.3. Record distance fallen for each. 4. Perform calculations for hangtime.4. Perform calculations for hangtime.

ResultsResults DominantDominant 24cm-.22 sec24cm-.22 sec 23cm-.22 sec23cm-.22 sec 20cm-.20 sec20cm-.20 sec 24cm-.22 sec24cm-.22 sec 21cm-.21 sec21cm-.21 sec 28cm-.24 sec28cm-.24 sec 22cm-.21 sec22cm-.21 sec 17cm-.19 sec17cm-.19 sec 21cm-.21 sec21cm-.21 sec 12cm-.16 sec12cm-.16 sec 25cm-.23 sec25cm-.23 sec 16cm-.18 sec16cm-.18 sec 20cm-.20 sec20cm-.20 sec 8cm-.13 sec8cm-.13 sec 14cm-.17 sec14cm-.17 sec 17cm-.19 sec17cm-.19 sec 11cm-.25 sec11cm-.25 sec 17cm-.19 sec17cm-.19 sec 18cm-.19 sec18cm-.19 sec 12cm-.16 sec12cm-.16 sec 14cm-.17 sec14cm-.17 sec 18cm-.19 sec18cm-.19 sec 21cm-.21 sec21cm-.21 sec 22cm-.21 sec22cm-.21 sec 16cm-.18 sec16cm-.18 sec 19cm-.20 sec19cm-.20 sec 17cm-.19 sec17cm-.19 sec

Non-dominantNon-dominant 30cm-.25 sec30cm-.25 sec 30cm-.25 sec30cm-.25 sec 23cm-.22 sec23cm-.22 sec 18cm-.19 sec18cm-.19 sec 19cm-.20 sec19cm-.20 sec 13cm-.16 sec13cm-.16 sec 20cm-.20 sec20cm-.20 sec 28cm-.24 sec28cm-.24 sec 22cm-.21 sec22cm-.21 sec 23cm-.22 sec23cm-.22 sec 24cm-.22 sec24cm-.22 sec 23cm-.22 sec23cm-.22 sec 24cm-.22 sec24cm-.22 sec 10cm-.14 sec10cm-.14 sec 12cm-.16 sec12cm-.16 sec 24cm-.22 sec24cm-.22 sec 5cm-.10 sec5cm-.10 sec 19cm-.20 sec19cm-.20 sec 16cm-.28 sec16cm-.28 sec 11cm-.15 sec11cm-.15 sec 15cm-.17 sec15cm-.17 sec 30cm-.25 sec30cm-.25 sec 15cm-.17 sec15cm-.17 sec 23cm-.22 sec23cm-.22 sec 13cm-.16 sec13cm-.16 sec 29cm-.24 sec29cm-.24 sec 29cm-.24 sec29cm-.24 sec

Results-averagesResults-averages

DominantDominant

18.4cm-.19 sec18.4cm-.19 sec

Non-DominantNon-Dominant

20.3cm-.20 sec20.3cm-.20 sec

Results-GraphResults-Graph

0.184

0.186

0.188

0.19

0.192

0.194

0.196

0.198

0.2

1stQtr

2ndQtr

3rdQtr

4thQtr

dominant

non-dominant

ConclusionConclusion

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