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Having written professionally since 2001, he has been featured in financial publications such as Safe Haven and the Mc Millian Portfolio.He also runs a financial newsletter at Stock Barometer.Sometimes it’s the tools scientists use that introduce limitations to the study.
But how well a study reports its results relates to how strong the instruments are.
For example, microscopes have limitations on what they measure.
A zoologist, for example, might not be able to acquire many chimpanzees for her study.
But because small sample sizes make the statistics of a study less dependable, the results of a study that lacks sufficient funding might not be strong or mathematically significant.
A scientist often notices a confounder only during or after the experiment.
She lists that confounder as a limitation in her report.One thing that can really limit a study and frustrate a scientist, especially in well-designed experiments, is the confounder.A confounder is a quality or variable that affects the results of the study but is not included in the study itself.He might suspect the plants were eaten by a wild herbivore.In this case, his sample size has been reduced by phenomena he cannot control, which can weaken his study.Regent University mentions that limitations outside of a scientist’s control are remarkably common.For example, a botanist researching the relationship between the amount of pests on a specific plant and the amount of sunlight that plant receives might have missing data if he finds several plants to be missing next time he reaches his plot of land.But small differences, such as lifestyle and genetic factors can skew the effects of the drugs on the subjects.In addition, because scientists across the globe have different sources and amounts of funding, not all scientists can use large groups of subjects.Regardless, she will likely cite the environment as a confounder, letting other scientists know that future studies should keep the lab rats in the same room.Having obtained a Master of Science in psychology in East Asia, Damon Verial has been applying his knowledge to related topics since 2010.