For Which of the Following Would the Samples Be Considered

Multiple Choice

For which of the following would the samples be considered dependent? A study to compare

A) husbands and their wives with regard to political attitudes
B) current freshmen and freshmen 10 years ago, all of whom are (were) psychology majors, with regard to SAT scores
C) current freshmen and freshmen 10 years ago (a mixture of many academic majors) with regard to SAT scores
D) none of the above involve dependent samples