A study found that when rating the educational value of specific children’s ... ...

A study found that when rating the educational value of specific children’s television shows parents tend to base their judgments primarily on how much they themselves enjoyed the shows, and rarely took into account the views of educational psychologists as to the shows’ educational value. Accordingly, if the psychologists’ views are sound, parents have little reason to trust their own ratings of the educational value of children’s television shows. The argument is most vulnerable to criticism on the grounds that it
(A) relies on a sample that is likely to be unrepresentative of the population with which the conclusion is concerned
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in Dec 2012 LSAT (PT68): Logical Reasoning A