Researchers Examined the Relationship Between Interpersonal Violence and Health in College

Researchers examined the relationship between interpersonal violence and health in college age women. The researchers administered a psychological distress questionnaire with a Cronbach's α of 0.74. What does this tell you about the instrument?

A) It has a high level of validity.
B) The researchers have assessed the internal consistency reliability of their instrument.
C) Any measures of central tendency would be appropriate.
D) Content validity is appropriate in this instrument.