HW310 Unit 6 Seminar Reflection Example

From "It Is Just Water" to a Reason a Practitioner Could Follow: A Unit 6 Seminar Reflection on Homeopathy

[Student Name]

Purdue University Global

HW310: Complementary and Integrative Medicine

Unit 6 Seminar Reflection

[Instructor Name]

[Date]

The seminar, classmates and discussion are composite; the government review, the comparative study and the parliamentary report cited are real.

My Opening Position

I arrived at the session holding a position I thought needed no defense: homeopathy is water, so there is nothing to discuss. I had read that common remedies go through so many rounds of dilution that the arithmetic leaves, in all likelihood, no trace of the starting material in what the patient swallows. If there is nothing in the remedy, I reasoned, it cannot do anything, and any trial claiming otherwise must be wrong.

I now think that position was right in its conclusion and weak in its reasoning, and the seminar showed me why.

What the Group Examined

Our facilitator gave us two readings. The first was the Australian government's 2015 review, which assessed systematic reviews covering 61 health conditions and concluded that there were no health conditions for which there was reliable evidence that homeopathy was effective (National Health and Medical Research Council [NHMRC], 2015). The second was a small trial that a classmate, Dev, had found, which reported that a homeopathic remedy improved symptoms of a childhood condition compared with placebo.

Dev argued that a positive, randomized, placebo-controlled trial is exactly the kind of evidence our course teaches us to respect, and that dismissing it because of a theory was unscientific. I found the argument harder to answer than I expected. My own reply, that there is nothing in the remedy, was a statement about mechanism, and Dev was asking about outcomes.

The Argument That Followed

The group spent most of the hour on one question: how much weight should a single positive trial carry when the proposed mechanism conflicts with basic chemistry?

Another classmate pointed us to a study that compared 110 placebo-controlled trials of homeopathy with 110 matched trials of conventional medicine. Smaller and lower-quality trials in both groups tended to show larger benefits, a pattern typical of bias. When the analysis was restricted to the larger, higher-quality trials, the conventional treatments still showed an effect, but homeopathy's effect was compatible with placebo (Shang et al., 2005). The point was not that every positive homeopathy trial is fraudulent, but that across many trials, positive results cluster where bias is most likely.

We then discussed prior plausibility. If a treatment's mechanism contradicts well-established chemistry, a positive result is more likely to reflect chance or bias than a real effect, and one small trial cannot outweigh that. A British parliamentary committee made a similar argument, concluding that the explanations offered for how homeopathy might work were scientifically implausible and that its effects were placebo effects (House of Commons Science and Technology Committee, 2010).

The seminar did not change my conclusion about homeopathy; it changed my reason, from an assertion about water to an argument that the trial evidence, examined as a whole, points the same way as the chemistry.

Where I Ended Up

My revised position is the same skepticism, now reached through evidence. I can say to a client or a practitioner: when researchers look at all the trials together and give the most weight to the largest and best designed, homeopathy performs like a placebo, and that result is consistent with what we know about the remedies themselves. That is a sentence a practitioner could follow, even disagree with, without feeling dismissed.

The session also showed me a habit in my own arguing. Calling the question closed stopped me from engaging with Dev's trial at all. Engaging with it, asking how large it was, how it was blinded and how it fit with other studies, turned out to be the stronger response.

What I Owe a Practitioner

Several classmates work in settings where clients use homeopathy, and one of them, a pharmacy technician, described customers who buy remedies for their children's colds. She pointed out that telling those parents the remedy is just water usually ends the conversation, while asking what they hope it will do and explaining what the large reviews found keeps it going. I had not thought about the difference between being right and being heard. My revised wording is meant for that conversation, and I tried it on her in the session; she said it was the first version of the skeptical case she could imagine saying at the counter.

What I Will Do Differently

Over the remaining units, I will separate two questions whenever I evaluate a modality: what the outcome evidence shows when examined as a whole, and whether the proposed mechanism is plausible. When the two agree, as they do here, the conclusion is strong. When they disagree, I will say so instead of letting one silence the other.

References

House of Commons Science and Technology Committee. (2010). Evidence check 2: Homeopathy (Fourth report of session 2009-10, HC 45). The Stationery Office.

National Health and Medical Research Council. (2015). NHMRC information paper: Evidence on the effectiveness of homeopathy for treating health conditions. https://www.nhmrc.gov.au

Shang, A., Huwiler-Müntener, K., Nartey, L., Jüni, P., Dörig, S., Sterne, J. A., Pewsner, D., & Egger, M. (2005). Are the clinical effects of homoeopathy placebo effects? Comparative study of placebo-controlled trials of homoeopathy and allopathy. The Lancet, 366(9487), 726-732. https://doi.org/10.1016/S0140-6736(05)67177-2