Answer:
No; the study is based on a volunteer sample, which may be very different from a randomly selected one.
Explanation
Her plan cannot be effective because she could base her own judgenent on samples that was randomly selected for consideration.
Answer:
answer A
Explanation:
Hope this helps you and good luck :)
Type one diabetes is an autoimmune disorder which is caused by the bodies production of antibodies which attack the cells in the pancreas which make insulin.
Type one diabetes, unlike many cases of type two cannot be prevented, and is caused by the production of antibodies. What causes these antibodies is unknown, but some think that it is due to genetics, viral factors or chemicals.