By Victor Cohn
Numbers and statistical claims dominate modern day information. Politics, budgets, crime research, clinical matters, and activities reporting all call for numbers. Now in its 3rd variation, News & Numbers specializes in find out how to evaluation statistical claims in technological know-how, health and wellbeing, medication, and politics. It does so by means of assisting readers resolution 3 key questions about all clinical reviews, polls, and different statistical claims: "What am i able to believe?" "What does it mean?" and "How am i able to clarify it to others?"
Updated all through, this lengthy past due 3rd variation brings this vintage textual content updated with the twenty first century with an entire updating of examples, case experiences, and tales. The textual content emphasises transparent pondering and customary feel ways for realizing, reading and explaining records, and phrases in the course of the publication are defined in easy-to-understand, nontechnical language. a lot new fabric has been additional to make sure the textual content continues its pertinent method of the topic, including:
- A part on machine modelling
- Additional chapters on hazards and 'missing numbers'
- Updated sections on overall healthiness plans and assurance, together with updates on President Obama's health and wellbeing process overhaul & new fabric on healthiness care expenses and quality
Read or Download News and Numbers: A Writer's Guide to Statistics PDF
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Additional info for News and Numbers: A Writer's Guide to Statistics
Some kinds of studies carry more weight than others. Science and medicine started with anecdotes, unreliable as far as generalization is concerned, yet provocative. Anecdotes matured into systematic observation. Simple eyeballing has developed into data collection and the recording of case histories. These are indispensable methods, yet still only one part of science. Case histories may not be typical, or they may reflect the beholder. ” There can still be useful, even inspired, observation and analysis of natural experiments.
The excess cancer is the dependent variable, the result. “In a two-variable relationship,” Dr. ”26 ● Diseases with multiple causes – We know that more people get colds in winter than at other times of the year. Weather is commonly seen as the underlying or independent variable that affects the incidence of the common cold, the dependent variable. Actually, of course, some people, like children in school who are constantly exposed to new viruses, are more vulnerable to colds than others. In the case of these children, there is often more than one independent variable.
Biologist Stephen Jay Gould learned in 1982 that he had a serious form of cancer. The literature told him the median survival was only eight months after discovery. Three years later, he wrote in Discover, “All evolutionary biologists know that means and medians are the abstractions,” while variation is “the reality,” meaning “half the people will live longer” than eight months. Because he was young, because his disease had been diagnosed early, and because he would receive the best possible treatment, he decided he had a good chance of being at the far end of the curve.
News and Numbers: A Writer's Guide to Statistics by Victor Cohn