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A State-of-the-Practice Survey of Off-the-Shelf Component-Based Development Processes - page 8 / 14

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Mann-Whitney

Z

Asymp. Sig (2-tailed)

a)

1263.000

-2.407

.016*

b)

1072.500

-1.622

.105

c)

1626.500

-1.043

.297

d)

964.000

-.533

.594

e)

1724.500

-.870

.385

Table 2. The relationship Selection activities

between selection activities and familiarity with the OTS component

Familiarity with Comp.1

.361

f)

1 4 8 1 . 5 0 0

(Selection activities a) to f) are explained in Section 4.4)

  • *

    P < .05

913

-

.

Selection activities

Importance of the Comp.1 t-test (equal variance not as- sumed) .379 -.971 .804 -.436 1.543 1.096

Sig (2-tailed)

a) b) c) d) e) f)

.706 .337 .424 .666 .126 .278

(Selection activities a) to f) are explained in Section 4.4)

  • *

    P < .05

    • 5.

      How to customize the OTS-based development process

Concerning the conclusions drawn in another study [3], we agree that using OTS components in system development is bearing potential danger, especially when us- ing unfamiliar OTS components. Although the risk driven processes proposed in [3] may give benefits, results of RQ1 show, however, that most projects integrate OTS components successfully with traditional processes, such as waterfall, incremental with prototyping, XP, or V-model. Results of RQ2 show that most actual develop- ment processes were decided before the decision of using OTS components was made. In addition, results of RQ3 show that company rules pre-defined the main development processes in many OTS-based projects. According to the results of RQ1 to RQ3, we summarize the state-of-the-practice of OTS-based development processes into seven different scenarios. The classification of the scenarios is based on the

For the importance of Comp.1 variable, we used the independent T-test in SPSS 14.0 to compare mean differences, whereby the results are shown in Table 3. The overall result is that there is no significant relationship between the selection and evaluation activities performed with the importance of the OTS component.

Table 3. The relationship between the selection activities with the importance the OTS component

8

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