If you are the only one in the office who understands how to do a PowerPoint presentation, which base of power do you most likely have?

A) Expertise power
B) Personal attraction power
C) Effort power
D) Legitimacy power
E) Relevance power

Answer: A
Explanation: A) Correct. Expertise power is based on work-related knowledge such as software experience or presentation skills.
B) Incorrect. Personal attraction power comes from desirable personal characteristics associated with friendship. Here, there is no evidence of your charisma, agreeable behaviors, or physical characteristics. On the other hand, your skills with PowerPoint are indicative of expertise power, which is based on work-related knowledge such as software experience or presentation skills.
C) Incorrect. Effort power is based on a higher-than-expected commitment of time. Here, there is no evidence that you have put in extra hours on the job. On the other hand, your skills with PowerPoint are indicative of expertise power, which is based on work-related knowledge such as software experience or presentation skills.
D) Incorrect. Legitimacy power is based on behavior consistent with organizational values. In this case, it may be argued that learning presentation skills is congruent with the organization's mission and goals. However, that link is tenuous. On the other hand, your skills with PowerPoint are indicative of expertise power, which is based on work-related knowledge such as software experience or presentation skills.
E) Incorrect. Relevance as a source of power is based on whether your assigned tasks are aligned with organizational priorities. In this case, it may be argued that presentation skills are congruent with the organization's mission and goals. However, that link is tenuous. On the other hand, your skills with PowerPoint are indicative of expertise power, which is based on work-related knowledge such as software experience or presentation skills.