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pdf - Nyenrode Business Universiteit

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74 CHAPTER 3. NOISE REDUCTION EFFECTIVENESS<br />

Table 3.7: Items for <strong>Business</strong> Unit Size & Firm Size (Q31-32)<br />

Item description<br />

Component<br />

loadings<br />

a. <strong>Business</strong> unit FTE (Ln) 0.866<br />

b. <strong>Business</strong> unit revenue (Ln) 0.866<br />

Percentage variance explained 75.0%<br />

Cronbach’s alpha 0.634<br />

c. Firm FTE (Ln) 0.952<br />

d. Firm revenue (Ln) 0.952<br />

Percentage variance explained 90.6%<br />

Cronbach’s alpha 0.892<br />

Sector Dummy Variables To control for potential industry effects, dummy variables<br />

were included that distinguish between business unit sectors (Q33). The model contains<br />

dummies for production, financial services, and not-for-profit business units. The base<br />

model consists of service organizations, representing the largest sector in the sample.<br />

3.3.4 Descriptive Statistics<br />

Table 3.8 presents the descriptive statistics for all of the metrics variables described in the<br />

preceding section. According to the skewness and kurtosis indicators, all of the variables<br />

follow a normal distribution.<br />

Table 3.8: Descriptive Statistics<br />

Mean Min Max<br />

Std.<br />

Dev.<br />

SkewnessKurtosis<br />

NOISE 3.24 1.00 6.00 1.16 0.33 -0.31<br />

RPE-Use 3.37 1.00 5.00 1.00 -0.85 0.31<br />

Environmental Uncertainty 3.19 1.57 4.76 0. 60 -0.38 0.07<br />

Goal Ambiguity 2.34 1.00 5.00 0.57 0.43 1.19<br />

Measurability 4.48 2.00 6.00 0.69 -0.45 0.38<br />

Emphasis on Personal-Level Measures 0.30 0.00 1.00 0.22 0.79 0.47<br />

Emphasis on Disaggregated Measures 0.31 0.00 0.90 0.18 0.50 0.13<br />

<strong>Business</strong> Unit Size 10.27 2.30 14.97 2.26 -1.56 2.70<br />

Firm Size 13.41 3.69 19.41 2.43 -0.44 1.34

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