If a lecturer surveyed his students about their attitudes concerning the public pension system and concluded that young adults doubt that they will ever receive public pension benefits, his conclusion would be flawed because

A) his students were not a representative sample of young adults.
B) he did not survey the entire population of young adults.
C) he knew his subjects before he surveyed them.
D) his students were a random sample.

Representative Sample

A subset of a population that accurately reflects the members of the entire population, used in research to draw conclusions about the population as a whole.

Random Sample

A method of selecting a sample from a population in which each individual has an equal probability of being chosen.

Public Pension System

A government-established program designed to provide retirement income to individuals who have contributed to the system during their working years.