Acheson ’s suggestion (10 July‚ p. 107) of a method which would test the Poskanzer hypothesis ’ that multiple sclerosis with clinical poliomyelitis represents the occasional neurological manifestation of a widespread subclinical enteric infection. Dr. Acheson believes: " In order to demonstrate that the epidemiology of poliomyelitis and multiple sclerosis in Australasia are consistent with Poskanzer ’s hypothesis it is necessary to show that where multiple sclerosis is thought to be rare (Queensland
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• 2 hypothesis of heredity o “Blending” hypothesis: you are a mixture of genetic information from your parents. (bucket of paint) o “Particulate” hypothesis: you receive discreet packets of genetic information‚ passed on undiluted to future generations. (bucket of marbles) • Mendelian genetics o Character: inheritable feature‚ i.e.‚ fur color o Trait: variant for a character‚ i.e.‚ brown o True-bred: all off-spring of same variety o Hybridization: crossing of two different true-breds o P
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different perspectives telling different stories that are brought up by Homer’s Odyssey in The Penelopiad. The book illustrates just how different the same story can be told from different perspectives and the issues it may cause. The polarizing‚ bias and flawed
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We have a tendency to draw inferences between people’s actions and their personalities. This is what’s known as a “correspondence bias‚ or attribution error.” These biases‚ or errors‚ occur when we automatically link what we view as “bad or inappropriate behaviors‚ with internal personality flaws‚ rather than taking into consideration possible external factors‚ such as environmental causes‚ that may account for the behavior in question. For example: when the clerk at Wal-Mart doesn’t smile while
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Duckweed as a nutrient thief and bioremediator Hypothesis: This experiment will evaluate duckweed and its ability to remove nutrients and toxins from water sources. Thus‚ duckweed will kill the organisms that require similar nutrients‚ yet aid the organisms that would otherwise die to toxins. Specifically‚ if one was to place Elodea plants in a tank with duckweed‚ then the Elodea will die due to the lack of nutrients from the duckweed having used the nutrients for its own benefits. Furthermore
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good-genes and sexy-sons hypotheses focus on direct benefits associated with female choice. The good-genes hypothesis proposes that a female will choose to mate with males that they believe will produce better offspring. Typically this decision is based off a phenotypic trait that is an sign of higher genetic fitness‚ however sometimes these traits are not good indicators. The sexy-sons hypothesis is similar however it posits that females will choose the most attractive males to mate with so that those
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Hypothesis Testing The sole purpose of hypothesis testing is to determine whether or not research that has been collected is proved or disproved; usually allowing up to a 5% error factor. By using this 5% margin of error a researcher can consider the question of research being conducted is proven. There are five steps to be followed in doing hypotheses testing. The steps are: developing the research question‚ specifying between null and alternative hypotheses‚ calculating the statistic‚ computing
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Representation and Bias By Deborah Callaway Herzing College Online W4A1-Reflection Assignment November 26‚ 2009 Representation and Bias When creating or reviewing a research study‚ we need to consider the information and decide if it is representative or biased in order to make clear decisions. When the information or sample is representative‚ it means that the people studied are like the people who you wish to generalize and it must have the same significant
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1. The Schumpeter hypothesis links firms operating under a monopoly market structure as most important for technological innovation. Arrow‚ on the other hand‚ suggests most progress can be achieved in a perfectly competitive market. Compare and contrast these two arguments. An important issue in economics is how market structure affects innovation. In 1934‚ Schumpeter observed that some markets become increasingly concentrated‚ both with respect to innovation activities and market competition
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Cognitive Bias When I think of cognitive bias‚ I think about people making assumptions about others base on either what they have heard from other people or something they have experienced themselves. In order to figure out what biases I have I had to ask my wife. After some discussion we came to the conclusion that I have a couple of biases. The two that we came up with can be very controversial‚ religion and race. I wouldn’t say that I’m a religious freak or that I’m racist‚ I just have my own
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