A study involving middle-aged adults was designed to determine the relationship between the amount of caffeine consumed during the day and the time required to fall asleep at night.

What are the independent and dependent variables for this study?

Question

A study involving middle-aged adults was designed to determine the relationship between the amount of caffeine consumed during the day and the time required to fall asleep at night. 

What are the independent and dependent variables for this study?

anonymous · Answer

A.
The independent variable is the amount of caffeine consumed, and the dependent variable is the time required to fall asleep.
 
 B.
The independent variable is the amount of caffeine consumed, and the dependent variable is the age of the people.
 
 C.
The independent variable is the time required to fall asleep, and the dependent variable is the amount of caffeine consumed..
 
 D.
The independent variable is the age of the people, and the dependent variable is the time required to fall asleep.

anonymous · Answer

I think its A am I right.

anonymous · Answer

i think d

jamierox4ev3r · Answer

the dependent variable is what is being affected. so yes A.

jamierox4ev3r · Answer

remember. the independent variable is what is being controlled. The amount of caffeine being consumed is what is being controlled.

jamierox4ev3r · Answer

These are some basic rules for IV/DV that should help in the future :)

anonymous · Answer

ty

anonymous · Answer

thanks for clearing the doubt

jamierox4ev3r · Answer

no problem @baconbaby1334 :) Nice work on figuring it out mostly yourself

and @leon549 if you ever think the answer is different, provide an explanation on why you think so; you don't want to falsely misguide the user. Remember our no direct answer policy, thank you