In a study on the influence of exercise type on pulse rate and dependence on dietary preference, the following table details Tests of Between-Subjects Effects.
Source of Variation
Type III Sum of Squares
df
Mean square
F
Sig.
Within cells
104435.07
144
725.24
Diet
33024.50
1
33024.50
45.54
.000
Exertype
449.23
2
224.62
.31
.734
Diet x Exertype
757.96
2
378.98
.52
.594
The following output is produced for diet x intensity
Multivariate tests of significance (S = 1, M = 0, N = 701/2)
Test name
Value approx
F Hypoth
df
Error df
Sig.
Pillai’s
.22554
20.82224
2.00
143.00
.000
Hotelling’s
.29122
20.82224
2.00
143.00
.000
Wilks’s
.777446
20.82224
2.00
143.00
.000
Roy’s
.22554
Source: http://ssc.utexas.edu/docs/stat38.html
The reported findings are written as follows
F(1, 143) = 20.82, p = .000
What do you deduce by this result
A. Change in pulse rate is not affected by dietary preference.
B. There is no difference in pulse rate in relation to intensity levels.
C. Change in pulse rate across intensity levels depends on dietary preference.
D. None of the above.
Answer: C
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