Final answer:
An effective technique to overcome employee resistance during new system implementation is involving employees in the decision-making process. This promotes ownership and acceptance, whereas poor communication, lack of training, and abrupt changes would likely increase resistance.
Step-by-step explanation:
An effective technique to overcome employee resistance during the implementation of new enterprise systems is involving employees in the decision-making process (Option C). This approach helps in building ownership and acceptance among employees, as they feel their input and concerns are being considered. It's important to create a culture of openness and to encourage employees to share their thoughts and feedback throughout the implementation process.
Contrastingly, minimizing communication (Option A), providing insufficient training (Option B), and implementing changes abruptly without warning (Option D) are likely to increase resistance and hinder the successful adoption of the new system. Adequate training and communication are essential to ensure that employees understand the benefits and know how to use the new system effectively.