A researcher wanted to know if employees in different business functions had different competence levels. She asked employees in finance, marketing and human resources to complete two dimensions of a competence test, an IQ test dimension and an aptitude dimension. The results are give below. What conclusions can be drawn?
Tests of Between-Subjects Effects
Source
Dependent Variable
Sum of Squares
df
Mean Square
F
Sig.
Corrected Model
C5 Aptitude
1.909(a)
2
.954
1.950
.143
C1 IQ
3.203(b)
2
1.601
4.610
.010
Intercept
C5 Aptitude
16754.132
1
16754.132
34232.708
.000
C1 IQ
17755.785
1
17755.785
51109.698
.000
Business function
C5 Aptitude
1.909
2
.954
1.950
.143
C1 IQ
3.203
2
1.601
4.610
.010
Error
C5 Aptitude
529.551
1082
.489
C1 IQ
375.893
1082
.347
Total
C5 Aptitude
17285.976
1085
C1 IQ
18135.511
1085
Corrected Total
C5 Aptitude
531.460
1084
C1 IQ
379.095
1084
a R Squared = .004 (Adjusted R Squared = .002)
Multiple Comparisons
Scheffé
Dependent Variable
(I) Business function
(J) Business function
Mean Difference (I-J)
Std. Error
Sig.
C5 Aptitude
Finance
HR
-.035
.0520
.799
Marketing
-.101
.0520
.152
HR
Finance
.035
.0520
.799
Marketing
-.066
.0520
.444
Marketing
Finance
.101
.0520
.152
HR
.066
.0520
.444
C1 IQ
Finance
HR
-.094
.0438
.100
Marketing
-.129(*)
.0438
.014
HR
Finance
.094
.0438
.100
Marketing
-.035
.0438
.733
Marketing
Finance
.129(*)
.0438
.014
HR
.035
.0438
.733
Based on observed means.
* The mean difference is significant at the .05 level.
A. There are differences in competence levels amongst employees in different business functions and the two dimensions distinguish between business functions in the same way.
B. There are differences in competence levels amongst employees in different business functions but the two dimensions do not distinguish between business functions in the same way.
C. There are no differences in competence levels among employees in different business functions.
D. Not enough information is provided to make any conclusions.
Answer: B
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