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Table 3 TAM constructs, questions, and Likert Scale Frequency Count

From: VisminerTD: a tool for automatic identification and interactive monitoring of the evolution of technical debt items

   Strongly agree Agree Neutral Disagree Strongly disagree
# Usefulness
U1 Using the proposed tool in my job, I would be able to identify and monitor of TD items more quickly. (Quick) 21 7    
U2 Using the proposed tool, I would improve my performance in identifying and monitoring TD items. (Job Performance) 22 5 1   
U3 Using the proposed tool, I would increase my productivity. (Increase Productivity) 15 11 2 1  
U4 Using the proposed tool, I would improve my effectiveness in identifying and monitoring TD items. (Effectiveness) 21 6 1   
U5 Using the proposed tool would make identification and monitoring TD items easier. (Makes job easier) 22 5 1   
U6 I find the proposed tool useful to management of TD items. (Useful) 20 7 1   
# Ease of Use
E1 Learning to operate the proposed tool would be easy for me. (Easy to learn) 10 10 4 4  
E2 My interaction with the proposed tool would be clear and understandable. (Clear and understandable) 11 12 5   
E3 I would find it easy to use the proposed tool to do what I want it to do. (Controllable) 14 9 5   
E4 It would be easy to become skillful in using the proposed tool. (Skillful) 12 8 6 2  
E5 It would be easy to remember how to perform TD identification and monitoring using the proposed tool. (Remember) 18 8 2   
E6 I find the support easy to use. (Easy to use) 13 11 3 1  
# Self-predicted future use
S1 Assuming the proposed tool is available on my job, I predict that I will use it on a regular basis in the future. 16 10 2   
S2 I prefer using the proposed tool for conducting identification and monitoring of TD items than not using it. 12 6 8 1 1