Serotonin Links to Weight

In: Philosophy and Psychology

Submitted By edploco
Words 621
Pages 3
The hypothesis is if low levels of serotonin are a contributing factor in humans that are obese and what would be the least effective research design. What exactly is serotonin? According to Cherry (2014), “Serotonin is a neurotransmitter that operates mostly in the gastrointestinal tract and central nervous system by regulating mood, memory, sleep, and appetite.” As for researching this hypothesis I would cross off doing a survey. A survey would be too broad to test this hypothesis because the focus of a survey is asking mostly on a large group of people. Even if you were to narrow down a survey to only people with weight problems it wouldn’t work out as your end results would be disputed. Pastorino and Doyle-Portillo stated that (2014) “However, who you ask to complete a survey and how you ask them are critical elements in distinguishing good survey research from biased research. Recall that a random sampling of participants minimizes sampling bias.” (p 12). Another issue with using the survey approach to this hypothesis would be that questions posed to the ones being surveyed is up to their own understanding. According to Pastorino and Doyle-Portillo (2014) “A respondent has to be able to understand the question and interpret it in the way the researcher intended.” (p13). While a survey is too broad of a research method, a case study that would focus on a sole subject wouldn’t be enough either. The reason being is that you have a good probability to prove the hypothesis to be true since you’re only studying one subject. Although those results while valid wouldn’t help to accurately test your hypothesis about serotonin links to obesity, as you wouldn’t have any other subject to measure your results with. I feel unless you conduct several different case studies on individual obese humans; I don’t believe case study is the best way to test this hypothesis.…...

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