Answer:
Task Significance.
Step-by-step explanation:
Job Characteristic Model is a model developed by Richard Hackman and Greg Oldham. The model suggests that the employees are motivated with the tasks they are asked to perform. The model is divided into 5 core Job Characteristics.
In the given scenario, the manager is using the Task significance characteristics.
Task Signficance characteristics helps to motivate an employee by showing that his/her contribution to task is important and relevant. When employees recognise that the task they are performing is contributing to something else than themself, for instance to society or their group, they feel motivated.
Therefore, the correct answer is Task Significance.