1 Motivation and preparatory work
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an existing research model is adapted so that selected key performance indicators (KPIs) can be measured and the formulated hypotheses can be tested in the laboratory study (Sect. 2)
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an experimental setup is presented (Sect. 3)
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the design of the study is described (Sect. 4)
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the study results are presented and evaluated (Sect. 5)
2 Investigation model and adaptations
2.1 Modifications of the model
2.2 Labor productivity as KPI to measure the benefit
2.3 Questionnaire meCUE as KPI to measure the user experience
2.4 Categorisation of the test scenarios
3 Experimental setup in the process learning factory CiP
4 Study design
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H1.1: The effect (size) of digital assistance on labor productivity is larger for the gear motor than for the pneumatic cylinder.
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H1.2: The effect (size) of digital assistance on labor productivity is larger for untrained test persons than for trained test persons.
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H2.1: The effect (size) of digital assistance on experience of use is larger for the gear motor than for the pneumatic cylinder.
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H2.2: The effect (size) of digital assistance on experience of use is larger for untrained test persons than for trained test persons.
5 Study results and evaluation
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The effect size of digital assistance is greater for the gear motor than for the pneumatic cylinder
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The effect size of digital assistance is greater for untrained employees than for trained employees
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The relation between the test scenarios is identical to the previous analysis of labor productivity
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By removing setup time from the analysis, all observations are reinforced in the dimensions of significance and effect size
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The effect size of digital assistance is greater for the gear motor than for the pneumatic cylinder
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The effect size of digital assistance is greater for untrained employees than for trained employees