The answer would be Consumer choices.
Answer:
don't understand
where is the rest of the question
Hello there.
<span>Which law was the first expansive piece of legislation regarding national gun control?
</span>The National Firearms Act
Answer:
"If athletes consume carbohydrates, their running times will increase"
Independent variable: whether the athletes eat carbohydrates
Dependent variable: running times
Experimental group: the group that eats the pasta dinner
Control group: the group that eats the steak dinner with no carbohydrates
The purpose of using random assignment is to make sure that there are no selection factors that might affect the group. For example, if she asked the boys to eat one food and the girls to eat another, that wouldn't be random, and would introduce the sex of the athletes as a possible confounding variable.
Explanation:
(note that this is kind of a weird question: why would you want to *increase* running times?)
