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On Multiple Working Hypotheses

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Importance of multiple working hypotheses in minimizing bias and increasing the robust nature of scientific inquiry

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On Scientific Inquiry & Multiple Working Hypotheses

When we say science, what we pertain to is the process of uncovering, inquiring and exploring about a subject of study. Scientists, when they study a subject either through experimentation or through such processes like the quantitative and qualitative form of inquiry apply scientific principles. Simply put - it follows the utilization of the scientific process. The simplest iteration of this is as follows - research questions - leads to formulation of a hypothesis - leads to the construction of a research design - leads to the deployment of this design to prove or disprove the hypothesis - data gathering - then analysis of the data - which can lead to either a test to validate the results or direct to the presentation of the results - based on the hypothesis, a scientific theory can be proposed. In certain fields however, including geology and earth sciences, multiple working hypotheses (MWH) is utilized. According to Railsback (2004),

"The method of multiple working hypotheses ...

Solution Summary

The solution provides information, assistance and advise in tackling the task (see above) on the topic of multiple working hypotheses (MWH). The concept is explained in relation to scientific study, including its benefits and application. Resources are listed for further exploration of the topic.

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A teacher would like to use a new tutorial to teach the students about trade. As an experiment he randomly selected 18 students and randomly assigned them to one of three groups which include either a PowerPoint presentation created by the faculty, X Presentation created by the faculty, or a well-known tutorial by the Geenes Company. After completing their assigned tutorial, the students are given a trade test. At the .01 significance level, can she conclude that there is a difference between how well the different tutorials work for the students?

Below are the student's grades on the trade test after the tutorial:

PowerPoint Tutorial Geenes Tutorial ABC Tutorial
98 79 66
94 76 78
91 75 79
88 83 96
98 91 97
91 89

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