| Course | PHLT 8048 Research and Application of Public Health and Behavior Change Theories |
|---|---|
| Week | Week 1 |
| Paper type | Discussion post |
| Length | About 510 words, 3 pages |
| Format | Discussion post, APA 7 citations |
| School | Walden University |
| Program | PhD in Public Health |
| Updated | October 2026 |
Free sample paper for PHLT 8048 Week 1
Week 1 Discussion: Initial Post
Two Things Any Theory Must Explain About Night-Shift Workers Who Drive Home Drowsy: Why Some Who Know the Risk Drive Anyway, and Why the Same Person Drives Safely One Morning and Not the Next
Initial Post
I work in employee health for a composite regional hospital system, and the behavior I will study this term is driving home drowsy after a night shift. Nurses, respiratory therapists and lab technicians leave at 7:30 in the morning after twelve hours awake, many after a third consecutive night, and most drive themselves home. An instrumented-vehicle study found that drivers coming off night shifts had far more near-crash events and episodes of drifting from the lane than the same drivers after a night of sleep (Lee et al., 2016), surveys of hospital nurses have linked long shifts and short sleep to reports of nodding off at the wheel (Scott et al., 2007), and a national study of medical interns found more crashes on the drive home after extended shifts (Barger et al., 2005). Before I name any theory, I want to say what a theory would have to explain here, because I think two features of the problem will separate the useful theories from the rest.
The first is that knowledge does not seem to be the barrier. Nearly every night-shift worker I have spoken with knows drowsy driving is dangerous; many have a story about a colleague who crashed or a morning when they woke as the car crossed the rumble strip. Yet they drive. A theory that works mainly through beliefs about consequences would have to explain why accurate beliefs leave behavior unchanged, or it would have to show that the beliefs are not as accurate as they sound.
The second is that the same person behaves differently from one morning to the next. A nurse who naps in the staff lounge before driving after a hard night may drive straight home the following morning, after a shift that felt easier, without deciding anything at all. That variation suggests the behavior is partly automatic and partly shaped by circumstances at the moment of leaving, such as whether a nap room is open, whether a child must be taken to school and whether a ride is available. A theory that treats the behavior as the outcome of a stable intention formed in advance would have to account for that.
The stakes go beyond the workers themselves: a drowsy driver endangers everyone else on the road at the busiest hour of the morning, and a nurse lost to a crash leaves a unit short for months. So my test for any candidate theory is whether it can explain why accurate knowledge fails to protect people, and why the same person's behavior shifts with the morning. I suspect the answer will involve both motivation and the opportunities the workplace provides, but I want the term's reading to decide that rather than my hunch.
My question for the group: what are the two things a theory would have to explain about your behavior before you would trust it?
References
Barger, L. K., Cade, B. E., Ayas, N. T., Cronin, J. W., Rosner, B., Speizer, F. E., & Czeisler, C. A. (2005). Extended work shifts and the risk of motor vehicle crashes among interns. The New England Journal of Medicine, 352(2), 125-134. https://doi.org/10.1056/NEJMoa041401
Lee, M. L., Howard, M. E., Horrey, W. J., Liang, Y., Anderson, C., Shreeve, M. S., O'Brien, C. S., & Czeisler, C. A. (2016). High risk of near-crash driving events following night-shift work. Proceedings of the National Academy of Sciences, 113(1), 176-181. https://doi.org/10.1073/pnas.1510383112
Scott, L. D., Hwang, W.-T., Rogers, A. E., Nysse, T., Dean, G. E., & Dinges, D. F. (2007). The relationship between nurse work schedules, sleep duration, and drowsy driving. Sleep, 30(12), 1801-1807. https://doi.org/10.1093/sleep/30.12.1801
Reading the PHLT 8048 Week 1 instructions
In the first thread, each student presents the behavior they will study and to state what any explanatory theory would need to account for, before choosing one. Faculty expect a specific behavior in a specific population, a sentence or two of evidence that it matters, and a small number of explanatory demands drawn from the behavior's features. Strong posts resist naming a favored theory early, since the term is designed to reach a defended choice through comparison. Explanatory demands should be stated so that they can later discriminate between theories, for example a gap between knowledge and action, or variation within the same person. A brief sentence on why the behavior is a public health concern helps frame it. A closing question that invites classmates to set their own tests keeps the thread analytic.
How this PHLT 8048 Week 1 example is built
The post opens with the author's role and the behavior, describing staff leaving at 7:30 after twelve hours awake, often after a third consecutive night. A paragraph of evidence cites the instrumented-vehicle study, the nurse survey and the interns' crash study. The first demand follows: workers already know drowsy driving is dangerous, so a theory working mainly through beliefs must explain why accurate beliefs leave behavior unchanged. The second demand describes a nurse who naps after a hard night and drives straight home after an easier one, pointing to routine and circumstances such as nap room availability and school runs. A paragraph notes the stakes for other road users and short-staffed units, states the two tests, and a final line turns the same challenge on classmates.
Where the marks sit in the PHLT 8048 Week 1 rubric
Graders reward an orientation that sets discriminating tests rather than announcing a theory. Posts that open by naming a model and listing its constructs miss the assignment's purpose. Credit goes to a precisely defined behavior and population, accurate evidence that the behavior matters, and explanatory demands framed so that theories could pass or fail them. Demands that come from the behavior's observed features, such as the knowledge-action gap and within-person variation, show careful attention to the problem. Restraint about the author's own hunch is rewarded. Citations should be accurate and support specific claims. The last line pays off when it prompts peers to write tests for their own behaviors instead of merely describing them.
Common PHLT 8048 Week 1 mistakes, and how to avoid them
First posts in theory courses often pick a favorite model and describe it. Instead, describe your behavior carefully and ask what any explanation would have to account for. Look for features that would separate theories: people acting against what they know, the same person behaving differently in different circumstances, or behavior that happens without apparent decision. State two or three such demands plainly. Support the behavior's importance with a source or two. Hold your theory choice until the evidence is in. Behaviors from your own practice can be set up for theory selection in the same way.
Get a PHLT 8048 Week 1 example written to your instructions
Pass along the Week 1 prompt, the rubric and the behavior your section will study in PHLT 8048; the introduction that returns sets a standard for theory from that behavior and leaves the choice open. Background you would rather not share stays out. Turnaround is 24 to 48 hours and the first request costs nothing.
More PHLT 8048 papers and PhD in Public Health samples
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- PHLT 8048 Week 7: COM-B Selection Defense
- PHLT 8048 Week 8: Theory Boundary Discussion Post
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- PHLT 8048 Week 10: Falsifiable Prediction Memo
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PHLT 8048 Week 1 questions, answered
Should the orientation post pick a theory already?
Usually not. Everything in this course leads toward a defended choice, and announcing one in the first week signals that the comparison will be decoration. Naming the candidates you expect to weigh, and the standard they will be held to, shows the same knowledge without closing the question. If your prompt asks for an early preference, the sample states one as provisional and says what could change it.
What does explanatory theory mean next to change theory?
The first accounts for why a behavior happens and persists; the second accounts for how an intervention could shift it. Glanz, Rimer and Viswanath's text draws the line, and it matters in this course because a theory can predict well and still say little about what to change. The sample uses the distinction to set the standard its later selection must meet.
Where can I find a free PHLT 8048 Week 1 sample paper?
Read the whole Week 1 orientation post here, introducing drowsy drives home after night shifts and the two things any behavior theory must explain about them.
Why does the post avoid choosing a theory?
The course builds toward a defended selection through mapping, comparison and rebuttal. Naming a theory in the first week would let the choice drive the analysis instead of the reverse.
Is drowsy driving after night shifts a public health behavior?
Yes. It is a leading occupational and road safety concern for shift workers, it endangers other road users, and workplaces can change the conditions that produce it, which places it squarely within public health.