<span>They are constantly contributing to the scientific community and improving it. There are always new things to be discovered and they are constantly doing just that.</span>
All the answers provided are correct.
Answer:The Five Methods of Psychological Research
Naturalist Observation.
Survey Method.
Case Study.
Correlational Design.
Experimental Method. The subjects are carefully researched in their natural environment without interference by the researchers. While doing this, researchers should be inconspicuous, or for those of a lower reading level, unnoticed. Pros.
Explanation:
How long your muscles can sustain while activity is occurring