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Table 4 Survey structure and results of evaluation cycle III

From: Learnings from the design and acceptance of the German COVID-19 tracing app for IS-driven crisis management: a design science research

Construct Item Values Average Median SD
Behavioural intention I would consider to share data with the official corona tracing app 1–7 5.49 6.00 1.86
I would be willing to share data with the official corona tracing app 1–7 5.47 6.00 1.84
I would like to share data with the official corona tracing app 1–7 5.00 6.00 2.02
Perceived usefulness I think I have a better possibility to visit business or social events using the corona tracing app (workshops, restaurants, clubs, sport, etc.) 1–7 3.53 4.00 1.92
My private life would be difficult to perform without the corona tracing app 1–7 1.93 1.00 1.27
My job would be difficult to perform without the corona tracing app 1–7 1.85 1.00 1.27
Using the corona tracing app makes it easier to cope with the pandemic situation 1–7 5.39 6.00 1.61
Using the corona tracing app gives me greater control over my health 1–7 4.11 5.00 1.75
The corona tracing app addresses my expectations 1–7 5.34 6.00 1.50
Overall, I find the corona tracing app useful 1–7 5.79 6.00 1.50
I feel more safe using the corona tracing app 1–7 4.33 5.00 1.74
Perceived ease of use I found it easy to install the corona tracing app 1–7 6.69 7.00 0.70
I often become confused when I use the corona tracing app 1–7 1.70 1.00 1.10
I often get errors when using the corona tracing app 1–7 2.03 1.00 1.61
Interacting with the corona tracing app is often frustrating 1–7 1.62 1.00 1.05
The corona tracing app often behaves in unexpected ways 1–7 1.62 1.00 1.09
My interaction with the corona tracing app is easy for me to understand 1–7 6.27 7.00 1.03
I like the design of the corona tracing app 1–7 5.42 6.00 1.20
Overall, I find the corona tracing app easy to use 1–7 6.33 7.00 0.84
I found it easy to follow instructions or recommendation of the corona tracing app 1–7 6.25 6.00 0.43
The exchange between the health department and the corona tracing app was easy 1–7 5.25 5.00 1.30
Trust I usually trust a technology until it gives me a reason not to trust it 1–7 4.31 5.00 1.72
I generally give a technology the benefit of the doubt when I first use it 1–7 4.29 5.00 1.58
The corona tracing app cannot be trusted, there are just too many uncertainties 1–7 1.93 1.00 1.36
Privacy concerns How much are you concerned that the information submitted to the corona tracing app can be used in a way you did not foresee 1–5 1.78 1.00 1.12
How much are you concerned that the information submitted to the corona tracing app can become available to someone you don’t want 1–5 1.87 1.00 1.17
How much are you concerned that the information submitted to the corona tracing app can become available to someone without your knowledge 1–5 1.91 2.00 1.18
Subjective norm Using the corona tracing app is ‘the right thing to do’ 1–7 5.88 6.00 1.48
Using the corona tracing app sets a good example 1–7 5.77 6.00 1.58
My family or friends think it's a good thing using the corona tracing app 1–7 5.20 5.00 1.43
Reputation I earn respect from others by actively participating in the corona tracing app 1–7 3.15 4.00 1.53
I feel that active participation improves my status 1–7 2.98 3.00 1.60
Personal innovative ness If I heard about a new information in the domain of technology, I would look for ways to experiment with it 1–7 4.71 5.00 1.55
Among my family and friends, I am usually the first to try out new information technologies 1–7 4.58 5.00 1.81
In general, I am sceptical to try out new information technologies 1–7 2.96 3.00 1.53
I like to experiment with new information technology 1–7 4.92 5.00 1.60
Altruism I enjoy using technologies if it benefits others 1–7 5.60 6.00 1.19
I enjoy helping others 1–7 6.03 6.00 0.87
It feels good to help someone else 1–7 6.19 6.00 0.85
Fearing the unknown When I don't know what's happening, I feel uncomfortable or stressed 1–7 4.92 5.00 1.29
It frustrates me not having all the information I need 1–7 5.33 5.00 1.23
I prefer to plan everything in my life 1–7 4.49 5.00 1.45
I am afraid of receiving an infection warning without knowing further details (contact, time, place) 1–7 3.34 3.00 1.67
Anxiety of infection I am afraid of getting infected with COVID-19 1–7 4.38 5.00 1.66
I want to know my personal risk of being infected (without the need of a classical COVID-19 test) 1–7 5.01 5.00 1.46
I want to know a potential infection as soon as possible 1–7 6.03 6.00 1.29
I don't want to be in quarantine 1–7 5.06 5.00 1.71
Anxiety to infect other I am afraid of infecting others with COVID-19 1–7 5.65 6.00 1.50
I want to inform automatically others in case that I am infected 1–7 6.14 7.00 1.31
I do not want to be responsible infecting others 1–7 6.39 7.00 1.00
I do not want to be responsible for the quarantine of others 1–7 5.87 6.00 1.42
  1. SD standard deviation