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.
Option A. True.
Neurotic is a class of functional mental disorders involving distress but neither delusions nor hallucinations.
- may be defined simply as a "poor ability to adapt to one's environment, an inability to change one's life patterns, and the inability to develop a richer, more complex, more satisfying personality.
They tend to have negative views to themselves and their emotions because they acquired negative notion within them as they grow up. I believe in a scripture that says, "what you sow, is what you reap."
Probably spreading depends on the context you probably should add
