Answer:
20
Explanation:
the answer on your question will be 20.
Because it made people shorter, weaker and changed nature. People stopped getting a nutritious diet because they kept eating the same food. While hunters and gatherers would have meat, fruit, vegetables and grain
Random assignment will be useful in he research by Professor Menendez to ensure that each participant has equal chance.
<h3>What is a random assignment?</h3>
A random assignment simply means the use of chance procedure to ensure that everyone has an equal chance of being selected.
Placebo condition is any treatment which has no active properties. It's when people experience a benefit after the administration of an inactive treatment.
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