1 point
You are designing an experiment to test whether cooking meals together influences family happiness. If you want to avoid any potential confounds, you should avoid all of the following
EXCEPT
Convenience samples
Demand characteristics
Experimenter effects
Random assignment
1 point
The first step of the scientific method is:
Ask a question
Do background research
Design the experiment
Perform the experiment
1 point
Stoli is conducting a study examining the effects of alcohol on aggression. For the study, one group drinks juice, a second group drinks wine, a third group drinks vodka, and a fourth group
drinks beer. Afterwards, Dr. Stoli observes the participant's behavior, looking for aggressive actions. In this study, the control group is the group that drinks
Vodka
Wine
Beer
Juice