Independent: Average leg length (Scale)
Dependent: Walking speed (Scale)
Extraneous Variables:
1) Motivational level of the participants
2) Footwear of the participants
3) Weight of the participants (before and after a meal)
4) Fitness level of the participants
5) Current illness/ Previous medical history of the participants
Since our research question is a correlation question, and our data is scale, Pearson’s R was chosen to be the statistical test.
Symmetric
Measures
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Value
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Asymp. Std.
Errora
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Approx. Tb
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Approx. Sig.
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Interval by Interval
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Pearson's R
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.269
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.113
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1.933
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.059c
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Ordinal by Ordinal
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Spearman Correlation
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.281
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.134
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2.026
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.048c
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N of Valid Cases
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50
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a. Not assuming the null hypothesis.
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b. Using the asymptotic standard error
assuming the null hypothesis.
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c. Based on normal approximation.
Ho Hypothesis:
There is no relationship between the average leg length and walking speed.
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H1 Hypothesis:
There is a positive relationship between the average leg length and walking speed.
Assume significance level, α= 0.05.
From the table, a Pearson's correlation coefficient (r = 0.269) indicates a poor relationship between the average length of lower limb and walking speed.
Since the p-value is 0.059, which is > 0.05, H1 hypothesis is rejected. Therefore, we conclude that there is NO relationship between the average leg length and walking speed.
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