A Sporting Equipment Chain Wants to Evaluate Consumers' Responses to Its

A sporting equipment chain wants to evaluate consumers' responses to its new frequent shopper program.An advertising researcher designed a questionnaire,which was filled out by customers in each of its store.Its store in Chicago showed that consumers welcomed the new program.The store in Houston indicated that customers thought the new program would be an invasion of privacy.Since both stores administered the same survey,the survey probably lacks:

A) cohesiveness.
B) homogeneity.
C) invalidity.
D) flexibility.
E) reliability.