Da bebe
LEEEEEEEEEEEEEEEEEEEEEEEEEEEEEETS GOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO
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.
The answer to your question is: A) Your food journal.
It's best to use a food journal to keep track of the things you've eaten, and how much calories you've eaten throughout that day. Using a journal can help you when your on a diet so you can keep track of what you've been eating.
I hope this helps you!
Have a wonderful day!
-LizzyIsTheQueen
D I am guessing is the most correct.