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sisyflowerUID: 2851195

Smile-Brighttoothpaste and capped teeth
用时：40min



The argumentcontains several facets that are questionable. First, the reliability andgeneralization of the survey are open to question. In addition, the argumentassumes a correlation amounts to a causal relationship. However, the argumentfails to examine alternative explanations. I will discuss each of these facetsin turn.


First, inevaluating the reliability of the survey, the author fails to provide soundevidence that the recent survey that people who use Smile-Bright toothpaste aremost likely to have capped teeth is worth trusting. Moreover, the authorconcludes there is possibility that they have capped teeth. However, it isentirely possible that the rate of the possibility is very low. Also, the authorhave not offer sufficient information that how the survey was conducted and theidentification of the participants.


Secondly, even ifthe recent survey can be reliable information that directs people’s healthconcern, the author can not simply draw the conclusion that those usingSmile-Bright toothpaste earlier in life are more likely to have capped teeththan those using Smile-Bright toothpaste later in life. Since the authorprovides no concrete evidence to substantiate the conclusion. It is merely theauthor’s personal speculation with out showing ground evidence. It is entirelypossible that this have never happened.


Thirdly, thereported fact that brushing teeth more than twice a day with Smile-Brighttoothpaste were more likely to have caps on their teeth than were those whoreported brushing teeth with Smile-Bright toothpaste less frequently isgroundless, since the author fails to offer sound evidence to support it. Inthe first place, the report is unreliable because the author does not clearlystate the source of the information, how many people the report is relating andwho those interviewees are. It is entirely possible that the report is notrepresentative.


Finally, even ifthese speculation mentioned above are confirmed to be reasonable andrepresentative, the author still can not lead the conclusion that people shouldnot use the toothpaste. It is entirely possible that Smile-Bright toothpasteowns other profound effects or cheap, even some people do need tooth caps toprotect their teeth or for beauty. Without ruling out all other possibility,the author can not perfunctorily draw this conclusion.


In sum, the author’sassumptions are groundless as it stands. To bolster his assertion, the authorshould provide sufficient information and evidence to support his conclusion.For instance, how the survey is conducted that people who use Smile-Brighttoothpaste are most likely to have capped teeth. What are the extra evidencesto substantiate that those using Smile-Bright toothpaste earlier in life aremore likely to have capped teeth than those using Smile-Bright toothpaste laterin life and the clear source of the report and detailed information about thesample items for proving his assertion.

sisyflowerUID: 2851195

:O