I believe the answer is: Defeated
The defeated group in hetherington's term refers to the people who are failing in maintaining the marriage commitment with their partner.
The problems that caused the failure mostly come from either emotional issues or personal issues between the couples.
The answer is true if correct!!!
Answer:
reliable, valid
Explanation:
Reliability and validity are concepts in measurement. Reliability has to do with the degree to which an instrument can produce consistent results when it is used repeatedly over time. Validity, on the other hand, indicates the extent to which the instrument measures its intended measurement. The scale can be reliable but not value as it still produces results, though inaccurate.