CHS 340 Module 4 Module 4 Theory Expert Brief: Community Level Example

Reviewed by Emmett Rockwell, MBA Arizona State University Updated October 2026

This CHS 340 Module 4 sample is the community-level brief from Health Behavior Theory, part of the health behavior sequence for ASU Health Sciences students. The 36-point ASU CHS 340 brief asks each student, as the group's expert on an assigned theory, to respond on a single page to four fixed questions about the vignette. In the illustrative vignette, the lifestyle program spreads through Maria's west Phoenix neighborhood after a church and a community center begin offering it in Spanish, while uptake lags among men and night-shift workers. Assigned Diffusion of Innovations, the composite student explains its central idea, applies innovation attributes, adopter categories and communication channels and weighs what the theory explains.

CourseCHS 340 Health Behavior Theory
ModuleModule 4
Paper typeTheory expert brief
LengthAbout 331 words, 4 pages
FormatAPA 7 student paper
SchoolArizona State University
ProgramBS in Health Sciences
UpdatedOctober 2026

Free sample paper for CHS 340 Module 4

1

Theory Expert Brief: Diffusion of Innovations in a Neighborhood Lifestyle Program

Student Name

BS in Health Sciences, Arizona State University

CHS 340: Health Behavior Theory

Instructor Name

Month Day, Year

What this page is doingThe title names the theory and the community setting the vignette moves into.
2

Theory Expert Brief: Diffusion of Innovations in a Neighborhood Lifestyle Program

Vignette (Illustrative)

A year later, a parish in west Phoenix and a nearby community center begin offering the lifestyle program in Spanish on Saturday mornings. A respected parish nurse enrolls first, followed by several women from Maria's choir. Within six months, 60 neighbors have enrolled, but few men and almost no night-shift workers.

1. The core claim of Diffusion of Innovations

New ideas and practices spread through a social system over time via communication channels; how fast they spread depends on the innovation's perceived attributes and on adopters' readiness, with early adopters and opinion leaders playing key roles (Rogers, 2003).

2. Diffusion constructs visible in the neighborhood

ConstructEvidence in the vignette
Relative advantageNeighbors see results in people they know
CompatibilitySpanish language, parish setting and Saturday timing fit residents' lives
TrialabilityPeople can attend a first session with a friend
ObservabilityChoir members' weight loss is visible
Opinion leaderThe parish nurse
Adopter categoriesWomen in the choir as early adopters; men and night-shift workers as later adopters

3. Where diffusion explains adoption and where it falls short

The theory explains why adoption accelerated: a trusted opinion leader went first, the program was made compatible with local culture and schedules, and results were visible. It also predicts slower uptake among groups outside the main communication channel, the choir network, which fits the gap among men. It explains less about why night-shift workers cannot attend; that is a structural barrier better analyzed at the organizational level, such as the employer's role (McLeroy et al., 1988).

4. The distinct lens diffusion offers

Diffusion of Innovations shifts attention from persuading individuals to designing how a program travels through a community. It suggests recruiting opinion leaders for underserved groups, such as a respected man in a sports league, and adapting the program's format for night workers. Since the program's effect is proven (Knowler et al., 2002), the challenge is spread, not proof.

References

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

Rogers, E. M. (2003). Diffusion of innovations (5th ed.). Free Press.

Reading the CHS 340 Module 4 assignment instructions

Module 4's 36-point brief in CHS 340 applies a community-level theory to the module's vignette. As the group's expert on your assigned theory, address the four required questions within a page, moving from the theory's core idea to what it uniquely shows. Community-level theories explain how norms, networks and organizations within a community shape behavior, so look for who influences whom and how ideas travel. Post it in Canvas and send copies to your teammates before Sunday ends for the Thursday group presentation, without using generative AI. Community theories can feel abstract on a single page, so anchor each point in a person, group or place named in the vignette, and keep your focus on patterns across many people rather than on one person's choices.

How this CHS 340 Module 4 example is built

The sample summarizes the illustrative vignette's community spread in a short paragraph, then answers the four questions under numbered headings. A table matches five attributes and two people-focused constructs to concrete vignette details. The third answer explains the speed and pattern of adoption, including the gap among men, and points the remaining night-shift barrier to the organizational level. The fourth answer turns the theory into a practical recruitment strategy. The construct table includes both attributes of the program and people-focused constructs such as opinion leaders, which shows the student knows the theory covers both the innovation and the social system it moves through.

CHS 340 Module 4 rubric: what earns full marks

Graders score the community brief on the accuracy of the central idea, the fit between constructs and vignette details, a fair verdict on where the theory's reach ends, a clear unique contribution and the one-page limit. Briefs lose marks when they list every construct of the theory without evidence, when they treat community theories as individual ones and when they arrive late. Graders also look for recognition that community theories explain patterns across many people, such as who adopts early and who is left out, rather than one person's choices. A practical recommendation drawn from the theory strengthens the brief. Accurate, specific evidence earns the most.

CHS 340 Module 4 help with common mistakes

Trace how the behavior spreads in the vignette: who adopted first, who influenced whom and who was left out. Match constructs to those observations. Use your theory to suggest one practical change. Point out a barrier your theory does not address and name the level that does. Keep to one page and send it to your group on time. Stuck on a community theory? Our desk can walk through one with you. Sketch the network in the vignette: who learned from whom. Mark which groups the program reached and which it missed, then ask what channel would reach the missing group. Keep sentences tight to fit a single page. A short, specific brief that names one community actor beats a long survey of every construct.

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.

More CHS 340 and BS in Health Sciences sample papers

CHS 340 Module 4 questions, answered

Where can I find a free CHS 340 Module 4 sample paper?

The full community-level Theory Expert Brief applying Diffusion of Innovations is on this page.

What is Diffusion of Innovations?

A theory of how new ideas and practices spread through a community over time.

What innovation attributes speed adoption?

Relative advantage, compatibility, simplicity, trialability and observability.

Who are opinion leaders?

Respected community members whose adoption encourages others to follow.

What level of the Social Ecological Model is the community level?

The level of neighborhoods, community organizations, networks and norms.