Which of the Following Statements Is Most Accurate

Multiple Choice

Which of the following statements is most accurate?

A) More than one-third of all psychological studies involve animals.
B) The American Psychological Association has developed strict ethical guidelines for research involving animals.
C) There have been few, if any, major advances in the treatment of mental or physical disorders in humans that are attributable to animal research.
D) The majority of psychological studies using animals involve painful or harmful manipulations.