| Course | NS465 Functional Nutrition |
|---|---|
| Unit | Unit 4 |
| Paper type | Food and mood log |
| Length | About 720 words, 5 pages double-spaced |
| Format | APA 7 student paper |
| School | Purdue University Global |
| Program | BS in Nutrition Science |
| Updated | October 2026 |
Free sample paper for NS465 Unit 4
Five Days of Meals and Moods: A Unit 4 Food and Mood Log That Does Not Support the Dairy Theory
[Student Name]
Purdue University Global
NS465: Functional Nutrition
Unit 4 Food and Mood Log
[Instructor Name]
[Date]
The client and her log are composite; the dietary intervention trial, the caffeine and sleep study and the dietary assessment review cited are real.
How the Log Was Kept
Mia, 29, edits video from home and often works into the night. She believes dairy makes her mood "flat and foggy." For five weekdays she recorded everything she ate and drank with the time, and rated her mood and energy from 1 to 10 at 9 a.m., 1 p.m., 5 p.m. and 9 p.m. She also noted her bedtime and wake time. Food records kept over a few days capture current eating in detail, but people may change what they eat simply because they are writing it down (Shim et al., 2014). Mia said she ate as usual.
Summary of Entries
1. Monday: up at 9:30 after going to bed at 2:30. Cold brew coffee at 10, oat milk latte at 2, pasta with cheese at 8. Mood 5, 6, 4, 6. Energy 4, 6, 3, 5.
2. Tuesday: up at 8 after going to bed at midnight. Yogurt and granola at 8:30, turkey sandwich at 1, chicken and rice at 7. Mood 7, 7, 6, 7. Energy 7, 6, 6, 6.
3. Wednesday: up at 10 after going to bed at 3. Cold brew at 10:30, chips at 3, pizza at 9. Mood 4, 5, 4, 5. Energy 3, 5, 3, 4.
4. Thursday: up at 8:30 after going to bed at 12:30. Eggs and toast at 9, leftover pizza at 1, salmon and vegetables at 7:30. Mood 7, 6, 6, 7. Energy 6, 6, 5, 6.
5. Friday: up at 9 after going to bed at 1:30. Cold brew at 9:30, a smoothie with milk at 12:30, burrito at 7. Mood 6, 6, 4, 6. Energy 5, 5, 3, 5.
Pattern One: Late Nights and Low Days
On the two days after Mia went to bed at 2:30 or 3, her average morning mood was 4.5 and her average energy 3.5. On the two days after midnight or 12:30 bedtimes, morning mood averaged 7 and energy 6.5. Sleep was not the question she asked, but it is the clearest pattern in her own numbers.
Pattern Two: The 5 P.M. Dip
Energy dropped to 3 at 5 p.m. on three of five days. Each of those days started with cold brew and no food until early or mid-afternoon. On the two days she ate breakfast, the 5 p.m. dip was smaller. Caffeine late in the day can also shorten and disturb sleep even when taken six hours before bed (Drake et al., 2013), so her 2 p.m. latte may feed back into the late nights.
Mia ate dairy on her best days as well as her worst, so five days of her own records give no support to the idea that dairy is what flattens her mood.
The Dairy Question
Dairy appeared on every day: cheese on Monday, yogurt on Tuesday, pizza on Wednesday and Thursday, milk in Friday's smoothie. Her highest mood day, Tuesday, began with yogurt. Her lowest, Wednesday, included pizza. No pattern links dairy to her mood ratings. Five days cannot rule out an effect, but they give no reason to cut dairy now.
What the Log Cannot Show
The log shows associations within one person over one week. It cannot show cause, and both patterns could have other explanations, such as deadline stress driving both late nights and skipped breakfasts. Mood can respond to overall diet over longer periods; in one trial, adults with depression who improved their diet over twelve weeks had greater improvement in symptoms than a social support group (Jacka et al., 2017). That is a different question from a single food on a single day.
Follow-Up Questions
1. What keeps you up past 2 a.m. on some nights?
2. Would you be willing to eat something within an hour of waking for one week and rate the 5 p.m. dip again?
3. How would it feel to keep dairy in your diet while we test sleep and breakfast first?
References
Drake, C., Roehrs, T., Shambroom, J., & Roth, T. (2013). Caffeine effects on sleep taken 0, 3, or 6 hours before going to bed. Journal of Clinical Sleep Medicine, 9(11), 1195-1200. https://doi.org/10.5664/jcsm.3170
Jacka, F. N., O'Neil, A., Opie, R., Itsiopoulos, C., Cotton, S., Mohebbi, M., Castle, D., Dash, S., Mihalopoulos, C., Chatterton, M. L., Brazionis, L., Dean, O. M., Hodge, A. M., & Berk, M. (2017). A randomised controlled trial of dietary improvement for adults with major depression (the 'SMILES' trial). BMC Medicine, 15, 23. https://doi.org/10.1186/s12916-017-0791-y
Shim, J.-S., Oh, K., & Kim, H. C. (2014). Dietary assessment methods in epidemiologic studies. Epidemiology and Health, 36, e2014009. https://doi.org/10.4178/epih/e2014009
The Purdue Global NS465 Unit 4 instructions
In Unit 4, NS465 asks students to analyze a client's food and mood records and report patterns worth exploring. Prompts generally provide or ask for several days of entries with times and ratings. Describe how the log was kept, including rating scales and times. Summarize entries clearly so the reader can check your reading. Look for patterns in timing, sleep and meal structure as well as specific foods. Calculate simple averages where they help. Address any belief the client holds directly, using her own data. Be plain about the reach of a short log, and mention that writing meals down can itself change them. Avoid turning associations into causes. Close with follow-up questions rather than a prescription. Two to three pages is usual.
Inside the NS465 Unit 4 example
The sample opens with how the client recorded meals, times, four daily ratings and sleep. Five numbered daily summaries follow, each with bedtime, meals and ratings. Pattern one compares morning ratings after late and earlier bedtimes using simple averages. Pattern two links the 5 p.m. dip to days without breakfast and adds a caffeine and sleep study to connect the afternoon latte to late nights. A highlighted sentence answers the dairy question from her own records. A dairy section lists where dairy appeared each day. A limits section separates within-person association from cause and contrasts a single food with long-term diet quality using the SMILES trial. Three follow-up questions close the log.
NS465 Unit 4 rubric: what earns full points
Food and mood logs are generally scored on careful reading of the data, sound pattern identification, honest handling of the client's belief and appropriate limits. Most of the marks depend on whether patterns are drawn from the actual entries and explained clearly. Simple calculations that support a pattern earn credit. Instructors value analyses that consider sleep and timing as well as food. Addressing the client's own theory with evidence, even when it is not supported, shows professional honesty. Acknowledging that a few days cannot establish cause is expected. Follow-up questions should come from the findings. Sources should support any physiological claims, cited in APA 7.
Common NS465 Unit 4 mistakes, and how to avoid them
A common mistake is scanning the log for evidence of the food the client suspects and ignoring other patterns. Writers sometimes confirm the client's belief without checking her data. Others list entries without analyzing them. Sleep and meal timing are often overlooked, though they may explain more than any food. Associations are presented as causes. The effect of keeping a log on what people eat goes unmentioned. Conclusions end in a list of foods to cut rather than questions to explore. If you have a client's records but cannot see the pattern, our team can help you summarize the entries and test each theory against the numbers.
Get an NS465 Unit 4 example written to your instructions
Scanned log pages or typed case records both work for Unit 4, in whatever layout the course provides, together with the rubric. Patterns are reported only as questions the days can bear, the client's suspicion is tested rather than assumed, and scope is stated. Free first sample, returned in 24-48h. The paper above is an original model document written by our desk, not a submitted student paper and not an official Purdue University Global document.
More NS465 papers and BS in Nutrition Science samples
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- NS465 Unit 5: Seminar Reflection
- NS465 Unit 6: Case Narrative
- NS465 Unit 7: Protocol Critique
- NS465 Unit 8: Referral Decision Memo
- NS465 Unit 9: Eating Pattern Plan
- NS465 Unit 10: Functional Case Study
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NS465 Unit 4 questions, answered
How many days of records are enough?
For a course assignment, whatever the prompt supplies, often three to seven days. For findings, more is always better, and an honest paper says so. With five days, a pattern appearing on three of them justifies a question, not a conclusion. State how many days support each pattern so the reader can judge its strength directly.
Can I use a validated mood scale instead of a 1-to-10 rating?
If the prompt allows it, a brief validated measure can strengthen the method, provided it is used as designed and within scope. Many depression screening instruments are meant for clinical settings and should not be scored or interpreted in a nutrition assignment. A simple, clearly defined mood and energy rating is usually the better fit for this unit.
What if the log shows nothing at all?
Report that as a finding. Explain what you looked for, how you checked and why the absence matters, for example that the client's suspected trigger shows no consistent relationship with her ratings. A null result stated carefully with its limits is useful for the next session and often scores better than a pattern forced out of thin data.
Where can I find a free NS465 Unit 4 sample paper?
A complete Unit 4 food and mood log analysis is on this page, reading five days of a video editor's meals and ratings, finding sleep and breakfast patterns, and testing her dairy theory against her data.
Did the NS465 Unit 4 log support the dairy theory?
No. Dairy appeared on every day, including her highest and lowest mood days, so her records showed no link. Late bedtimes and skipped breakfasts lined up much more closely with her low ratings.