Theories and Research Methods

Theories and Research Methods

The practice of psychology involves the use of theories to guide research and interpretation and implementation of findings. In psychology, these theories are scientifically-supported explanations for a given set of circumstances, and they ideally establish a cause-and-effect relationship. Theories are based on studies conducted using the scientific method to determine whether hypotheses can be supported. This type of research can be analyzed in many ways to inform a wide range of psychological areas. For this Assignment, you will examine theories and the types of research related to the particular psychological profession in which you are interested.

To prepare:

Using this week’s Learning Resources, research several of the theories used in the practice of your chosen profession. Determine how these theories were developed, and investigate the types of research methods used.


Choosing a Professional Role”,


Note: You are reviewing theories, not therapies. If you discuss therapies, be sure to discuss the theories behind those therapies. Use peer-reviewed sources outside of the course to find theories related to your field.

To Complete this Assignment:

By Day 7

Submit a 4- 5 (excluding title and reference page) paper that highlights two key theories that are used in your chosen profession. If these theories have changed over time, explain how they have changed. In addition, select a once-popular theory that is no longer accepted, and explain what led to the change. Refer to the note regarding theories versus therapies.

Next, briefly describe the primary research areas used in your chosen professional role. For example, the foundational research areas for developmental psychologists are cognitive, behavioral, and emotional development. Explain at least one research method used in the professional role and how the method is used to guide research. For example, developmental psychologists primarily use the experimental method and naturalistic observation. You would then describe, in some detail, what experimental and naturalistic methods are and how they are implemented in research.

Finally, identify a scholarly research article from the last 5 to 7 years that employs a commonly-used research method in your chosen professional area. Discuss what was under investigation in the study and how that particular research method was used to investigate it.

please make use of attached resources below:

Required Readings

Pope, K. S., & Vetter, V. A. (1992). Ethical dilemmas encountered by members of the American Psychological Association: A national survey. American Psychologist, 47(3), 397–411.

Note: Retrieved from Walden Library databases.

American Psychological Association. (2010). Ethical principles of psychologists and code of conduct: Including 2010 amendments. Retrieved from

SAGE Publications. (2016). SAGE Knowledge.
Retrieved from Walden Library databases.

Access one of the following links to find journals related to your chosen occupation:

Browse Psychology Journals

Browse Social Science Journals

SAGE Journals – Psychology and Counseling

Optional Readings

American Psychological Association (2017). Should this assistant professor lead an investigation into complaints against a dean? Retrieved from

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