Final answer:
Heterosexual married and dating couples tend to be similar in all ways except physical appearance and attractiveness.
Step-by-step explanation:
Heterosexual married and dating couples tend to be similar in all of the following ways except:
a. Socioeconomic status
b. Educational background
c. Shared values and interests
d. Physical appearance and attractiveness
Research has shown that couples usually share similar socioeconomic status, educational background, and values and interests. However, physical appearance and attractiveness are not necessarily similar among heterosexual married and dating couples. People are attracted to others based on various factors, including personal preferences and individual differences in standards of beauty.