Janette Selects a Set of Youth from Her Local Community

Multiple Choice

Janette selects a set of youth from her local community as samples to study the sexual nature and behavior of adolescent male youth.The youth of her community are known to be atheists and less conservative in sexual endeavors.Based on the information provided,which of the following is a drawback of Janette's study?

A) The results of the study cannot be generalized to the larger population.
B) The sample size used for the study is too large.
C) The questionnaire used by Janette to study adolescent sexual behavior has low validity and reliability.
D) The participants were selected using random sampling method.