**Blinding Procedures in Research Studies: A Case Study****Overview:**Dr. Jarry applies for a research grant to examine whether electrolyte-enriched water affects athletic performance. They propose enrolling 50 college distance runners who will consume 28 ounces of water or 28 ounces of an electrolyte-enriched solution 30 minutes before running a timed 5000 meter race. Dr. Jarry states that runners will be randomly assigned to the control group (distilled water) or the treatment group (electrolyte-enriched water). Both the electrolyte solution and the distilled water will be provided to the runners in unlabeled opaque bottles. The electrolyte solution is identical in appearance and taste to distilled water.**Issue:**Unfortunately, the funding agency rejects the proposal due to inadequate blinding procedures.**Question:**Which of the following might have been a reason for the funding agency to reject the proposal?**Options:**1. It is not clear whether the researcher is blinded.2. It is not clear whether the subjects are blinded.3. It is not clear whether either the researcher or the subjects are blinded.Given the context of the proposal, all three options highlight critical aspects of blinding that are necessary to eliminate bias in the study. Proper blinding ensures that neither the participants nor the researchers influence the outcomes of the study due to knowledge of the treatment assignments. This case study serves as an example of the importance of clear and thorough methodological planning to secure research funding.

Blinding:Blinding, in research, mentions to a practice where the study population or the…

Answered: Dr. Jarry applies for a research grant…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Based on Angel et al. (2003). A fertilizer companyis trying to determine the cheapest fertilizer mix thatprovides desired amounts of nutrients. The mix ismade by combining the following fertilizers: SSA,SPO, GUR, TSP, KCI, FERT, and SPF. The mix cannot contain both GUR and TSP. The percentage ofpotassium (K), sulfur (S), calcium (Ca), sodium (Na)and phosphorus (P) in each fertilizer is listed in the fileP06_88.xlsx. For example, a pound of SSA is 16% Kand 26% Na. The mix must contain at least 600 poundsof K, 550 pounds of S, 750 pounds of Ca, 900 poundsof Na, and 750 pounds of P. The mix cannot containboth GUR and TSP, because if both are present in themix, the affect of other fertilizers is nullified. The costper pound (in cents) of each fertilizer is listed in thesame file. Develop a linear integer model to find theminimum-cost fertilizer mixture that meets the statedchemical requirements.
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