| Course | CHS 340 Health Behavior Theory |
|---|---|
| Module | Module 3 |
| Paper type | Theory expert brief |
| Length | About 328 words, 4 pages |
| Format | APA 7 student paper |
| School | Arizona State University |
| Program | BS in Health Sciences |
| Updated | October 2026 |
Free sample paper for CHS 340 Module 3
Theory Expert Brief: Social Cognitive Theory and a Sister's Example
Student Name
BS in Health Sciences, Arizona State University
CHS 340: Health Behavior Theory
Instructor Name
Month Day, Year
Theory Expert Brief: Social Cognitive Theory and a Sister's Example
Vignette (Illustrative)
Two months after Maria's diagnosis, her sister Elena, 49, also with prediabetes, enrolls in the lifestyle program. Elena walks with coworkers at lunch, has lost 12 pounds and now brings grilled vegetables and beans to Sunday dinners. Maria says, "If Elena can do it with three kids, maybe I can too," and asks Elena to walk with her.
1. Social Cognitive Theory in one paragraph
Behavior, personal factors and the social environment influence one another continuously, a process called reciprocal determinism. People learn by watching others, and they act when they believe they can succeed, self-efficacy, and expect good results, outcome expectations (Bandura, 2004).
2. Constructs at work in Elena and Maria's story
| Construct | Evidence in the vignette |
|---|---|
| Observational learning | Maria watches Elena's success |
| Self-efficacy | "Maybe I can too" shows rising confidence |
| Outcome expectations | Elena's weight loss shows change is possible |
| Reciprocal determinism | Elena's new cooking changes the family environment, which supports Maria |
| Social support | Elena agrees to walk with Maria |
3. What the theory accounts for, and what it leaves out
The theory explains why Maria's stance shifts now: she sees a similar person succeed under similar constraints, which raises her confidence and changes her expectations. It also shows how one person's change alters the shared environment of family meals. It explains less about the shift from intention to enrollment, about her work schedule and about whether the program fits her life. Evidence that the lifestyle program works, with a 58% reduction in diabetes incidence, supports the outcome expectations Elena models (Knowler et al., 2002).
4. What only this theory brings to the group
Social Cognitive Theory shows that the most persuasive message may be a person rather than a pamphlet. It suggests recruiting through family members and peers and building self-efficacy in small steps, such as walking together, which interpersonal and higher levels of the Social Ecological Model can reinforce (McLeroy et al., 1988).
References
Bandura, A. (2004). Health promotion by social cognitive means. Health Education & Behavior, 31(2), 143-164. https://doi.org/10.1177/1090198104263660
Knowler, W. C., Barrett-Connor, E., Fowler, S. E., Hamman, R. F., Lachin, J. M., Walker, E. A., & Nathan, D. M. (2002). Reduction in the incidence of type 2 diabetes with lifestyle intervention or metformin. New England Journal of Medicine, 346(6), 393-403. https://doi.org/10.1056/NEJMoa012512
McLeroy, K. R., Bibeau, D., Steckler, A., & Glanz, K. (1988). An ecological perspective on health promotion programs. Health Education Quarterly, 15(4), 351-377. https://doi.org/10.1177/109019818801500401
Reading the CHS 340 Module 3 assignment instructions
For Module 3, the 36-point CHS 340 brief turns to theories of interpersonal influence on health-related behavior. You are assigned one theory and become your group's expert on it, answering the syllabus's four questions about the module's vignette in a single page: the central idea, the constructs illustrated, how the theory does or does not explain the behavior and the perspective it uniquely contributes. Submit in Canvas and email your group by the Sunday deadline, since the group's Theory Integration Presentation is due Thursday and depends on every member's brief. Generative AI is not permitted in this course. Read the vignette for relationships first: who models behavior, who supports it and who resists.
Inside the CHS 340 Module 3 example
The sample summarizes the illustrative vignette in a few sentences, then answers the four questions in order. A construct table pairs each Social Cognitive Theory concept with a specific detail, such as Maria's comment about her sister. The third answer separates what the theory explains, a shift in confidence and family environment, from what it leaves out, scheduling and enrollment, and the fourth translates the theory into a practical idea, recruiting through family and peers. Because the theory is about people influencing each other, the brief traces how one sister's change alters the shared environment of family meals, an example of reciprocal determinism the group can use in its presentation. Short sentences keep it on one page.
Reading the CHS 340 Module 3 grading rubric
Each brief is worth 36 points. Readers look for an accurate statement of the theory's central idea, constructs tied to vignette evidence rather than defined in the abstract, a balanced judgment of explanatory power and a clear unique contribution, all within one page and on time. Briefs lose marks when they confuse theories, when constructs are named without evidence, when limits are ignored and when they are late, since the group cannot finish without them. Graders also value briefs that explain how the interpersonal theory connects to the individual level covered in Module 2, since the course builds an integrated picture across modules. Precise definitions of self-efficacy and outcome expectations help.
CHS 340 Module 3 help: mistakes that cost marks
Identify the people in the vignette and how they influence each other before writing. Match each construct to a quotation or action. Say plainly what your theory cannot explain. Use a table if it helps you stay within one page. Email your group early. If interpersonal theories blur together, the desk can help you distinguish them. Ask who in the vignette serves as a model, who provides support and who might discourage change. Note how the environment changes when one person's behavior changes. Keep each answer short and specific, and send the brief as soon as it is done so your group can begin. Then double-check the page length.
Write yours, or have the desk draft it
This paper is an original model document written by our desk, not a submitted student paper and not an official Arizona State University document. Read it for the moves, then write your own to the instructions in your classroom. If you want one built to your exact prompt and rubric, the first custom sample is free and arrives in 24 to 48 hours.
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CHS 340 Module 3 questions, answered
Where can I find a free CHS 340 Module 3 sample paper?
This page holds the complete interpersonal brief built on Social Cognitive Theory and a sister's example.
What is reciprocal determinism?
The idea that behavior, personal factors and the environment continually influence one another.
What is self-efficacy?
Confidence that one can perform a specific behavior, even when it is hard.
Which level of the Social Ecological Model does Module 3 address?
The interpersonal level, including family, friends and social networks.
When is the CHS 340 brief due?
Sunday of the module week, before the Thursday group assignment.