Which of the following is considered an implementation problem?

Inadequate user training is recognized as an implementation problem because successful deployment of any technology or system heavily relies on how well users understand and can utilize the new tools or processes. If users have not been adequately trained, they may struggle to adopt the system effectively, leading to frustration, reduced productivity, and potential errors.

Training is critical to ensure that end-users comprehend the functionalities of the system, know how to navigate its features, and can apply it to their specific tasks. Without proper training, even the best-designed systems can fail to achieve their intended outcomes, as users may not be able to leverage the technology effectively.

While other options touch on issues that can arise during a project lifecycle, inadequate user training directly addresses a gap in the specific implementation phase where human factors play a crucial role in determining success or failure. For instance, a poor user interface might hinder usability, but it can be addressed through system design rather than user knowledge. Similarly, project overruns and changes in job roles represent broader organizational challenges rather than specific training deficiencies during implementation.