Martha Administered a Survey About Child Abuse to 2000 Anonymous

Multiple Choice

Martha administered a survey about child abuse to 2000 anonymous new parents and found no reports of a parent exhibiting this type of behavior. Knowing the number of incidences of child abuse reported each year, Martha suspected that some type of bias attributed to the erroneous results. Which type of bias most likely affected this study?

A) researcher bias
B) subject bias
C) sampling bias
D) experimental bias