List and describe the basic steps of the scientific method, and discuss the challenge.

Unit 2Learning objective1. List and describe the basic steps of the scientific method, and discuss the challengeresearcher’s face in identifying variables for a particular study.2. Describe scientific observation, surveys, and case studies as research methods, noting atleast one advantage (or strength) and one disadvantage (or weakness) of each.3. Define what correlation means in science and offer examples of its use in the study ofhuman development.4. Describe the components of an experiment, and discuss the main advantage and somelimitations of this research method.5. Describe three basic research designs used by developmental psychologists to studychanges over time.6. Discuss the code of ethics that should be followed by researchers in the field ofdevelopmental psychology.Please use the following book/reference:The Developing Person Through Childhood –Berger 8th Edition 978-1-319-06164-7