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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State Systems in America Were Largely Tribal.
Answer:Herbivores
Why?Well,herbivores only eat plants.If all producers went away,herbivores would die.
You said it's free response and all we had to do was answer so here's me doing the bare minimum. Lol.
Answer:
The fertility rate measures the number of births per 1,000 women of childbearing age (ages 15 to 44) occurring in a particular year; birth rates refer to this measure within particular age groups.
Explanation: