need tomorrow
Nokcool
week6StatsDQReponses.docxCameron Izzi
TuesdayOct 20 at 10:29am
The first quote that really stuck out to me was, “Good statistical inference never strays very far from the data.”—Brian S. Yandell (2007). This has great meaning and relevance to the lessons in this week. As researchers, the data always needs to be followed and that is where an inference or conclusion needs to come from. Not from personal opinion or bias in the research. It is important to keep in-mind effect sizes on the data to ensure that the proper inferences are being made, in relation to the data. It is also important as a research to check your confidence in the data and statements through out the process. This is extremely important when an inference has an effect on where the research will go next. If a researcher makes claim that will drive the experiment to look into a variable due to that claim, rather than something else, then it is important to check the confidence in that claim before moving forward to ensure the experiment is not flawed. Good researchers allow the data to drive the experiment and use the data and the results to determine the final conclusions. Always checking their claims and confidence throughout the process.
WednesdayOct 21 at 1:09pm
Confidence intervals are essentially educated guesses performed by researchers from a sample population, due to researchers not being able to access entire populations. Confidence intervals are computed using a sample to estimate an unknown population parameter with a stated level of confidence (“Introduction to Confidence Intervals”, n.d.). Within this week’s discussion instructions, the quote that stood out the most to me that could relate to confidence intervals was the quote from Brian S. Yandell (2007), “Good statistical inference never strays very far from the data.” I feel as though this quote inadvertently does a great job of providing the idea behind confidence intervals, that being that while it may not use an entire population for its research, confidence intervals do not stray far from its core population by using a sample of the same population. Because of this, the estimates that come from confidence intervals are reasonable outcomes.
Introduction to Confidence Intervals: STAT 200. (n.d.). https://online.stat.psu.edu/stat200/lesson/4/4.2
WednesdayOct 21 at 6:57pm
The study that I found that used effect sizes and confidence intervals was a study on if "your mindfulness benefits others" by Donald et al. (2019). In this study they found that while doing a literature search there were 31 eligible studies with 73 effect sizes. While using pooled effects they found a positive effect between mindfulness and prosocial behavior for correlational studies (CI = 95%). They found medium sized effects were attained across changing meditation types and concentrations, and across gender and age groups. Even though they found that prosocial behavior and mindfulness were positively linked, more research is needed to examine the mediators of the links and the background which they are most distinct.
Wednesday Oct 21 at 7:11pm
In this study, the researchers randomly assigned 24 patients to three groups to explore how the sensory stimulation protocol affects patients with silent aspiration.
One group used high-intensity ultrasonically nebulized distilled water (UNDW); one group used low-intensity UNDW inhalations; the third group serves as a control group and simply used saline inhalations. Sensory stimulation was tracked on the day of administration (baseline), Day 3, and Day 5.
In the analysis phase, the researchers chose a 95% confidence interval and concluded that the sensory stimulation protocol (UNDW) led to a decrease in citric acid cough thresholds compared to the control group. The confidence interval provided preliminary evidence that a) this protocol is safe to use, and b) is more effective than a simple saline solution.
Yu
Wallace, E., Hernandez, E. G., Epton, M., Ploen, L., Huckabee, M.-L., & Macrae, P. (2020). A Sensory Stimulation Protocol to Modulate Cough Sensitivity: A Randomized Controlled Trial Safety Study. American Journal of Speech-Language Pathology, 29(3), 1423–1433. https://doi-org.proxy-library.ashford.edu/10.1044/2020_AJSLP-19-00180
