To Measure Children's Social Skill,you Decide to Use the Number

Multiple Choice

To measure children's social skill,you decide to use the number of interactions children have with other children.As you collect data,you notice that some children who have many interactions do not seem to be very socially skilled because many of their interactions are negative.This makes you question the ________ of your measure.

A) sampling
B) stability
C) validity
D) reliability