Answer: C) She didn't randomly assign participants to the experimental and control groups.
Explanation: It is necessary to randomly assign people to hot or cool units becasue if you give people a choice, they will automatically select the room with the temperature they prefer which would overthrow the point of the experiment.
Hope this helps! :)
What it means to be an informed and educated citizen is to know what is going on in your country and know what major event may or are aspiring around you .And to be well educated you have know at least want to know whats going on around you like even if its just watching the news for five minites or reading a world history book that will help you in this matter
This one is a simple sentence.
Because you want to be able to expand your knowledge on how to better interact with people.