KEY TAKEAWAYS •
There are certain steps in the scientific method that must be followed when doing psychological experiments.
•
There are numerous kinds of research studies that can be performed, which have their advantages and disadvantages.
•
Only experimental studies can determine the cause and effect with regard to two variables.
•
There can be positive, negative, or no correlation between two variables.
•
There are governing bodies that determine if a given research study is ethically possible to do on human and animal subjects.
35