RESEARCH STUDY 5.1 Dr. Valencia Is Considering Conducting a Study Examining Whether Narcissistic

RESEARCH STUDY 5.1
Dr. Valencia is considering conducting a study examining whether narcissistic people have poorer social interactions than those who are not narcissistic. One of her first tasks is to determine which of her participants are narcissistic and which are not. She decides to use the scale created by a colleague, the Mayo scale. Question 1 reads, "I tend not to think about other people as much as myself." Question 2 reads, "I do not have a high opinion of myself." Question 3 reads, "I think other people think I am really special."
-Refer to Research Study 5.1 above to answer the following question. Dr.Valencia is concerned whether her measure will really measure narcissism or if it will measure some other related concept.She is concerned about the scale's ____________.

A) Conceptual definition
B) Operational definition
C) Validity
D) Reliability
E) Convenience