If a New Anti-Cancer Drug Is Found to Be Effective

Multiple Choice

If a new anti-cancer drug is found to be effective in initial tests with mice, what might researchers conclude?

A) If the drug was effective in a large number of mice, it will therefore be effective in humans.
B) If the drug was effective in a small proportion of mice, it will be effective in a small proportion of humans.
C) The mice have provided a positive control in this experiment that proves the drug is effective in humans.
D) The drug is effective in the mouse model; it must still be tested in humans.
E) The effect of the drug on mice has no bearing on the effect of the drug on humans.