Professor Miller Argues That There Are Three Dimensions to the Quality

Professor Miller argues that there are three dimensions to the quality of a relationship (belonging/affirmation, interdependence, and intimacy) . Miller designed an instrument to measure the quality of a relationship. She notices that no items in the instrument tap the intimacy dimension. Her measure lacks:

A) reliability.
B) content validity.
C) predictive validity.
D) construct validity.
E) internal consistency.