Above almost all other concerns, what often results in the greatest negative impact on the implementation of new application software?
A . Failing to perform user acceptance testing
B . Lack of user training for the new system
C . Lack of software documentation and run manuals
D . Insufficient unit, module, and systems testing
Answer: A
Explanation:
Above almost all other concerns, failing to perform user acceptance testing often results in the greatest negative impact on the implementation of new application software.