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 i think about 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." before using the measure in her study, dr. valencia gives the measure to a group of students on tuesday. she gives the measure to them again on thursday. she then compares the scores between the two days. this is a test of which of the following? group of answer choices
a. interrater reliability
b. construct reliability
c. internal reliability
d. test-retest reliability