Rabu, 07 Juli 2010

[O674.Ebook] Download PDF What Is This Thing Called Science?, by Alan F. Chalmers

Download PDF What Is This Thing Called Science?, by Alan F. Chalmers

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What Is This Thing Called Science?, by Alan F. Chalmers

What Is This Thing Called Science?, by Alan F. Chalmers



What Is This Thing Called Science?, by Alan F. Chalmers

Download PDF What Is This Thing Called Science?, by Alan F. Chalmers

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What Is This Thing Called Science?, by Alan F. Chalmers

Co-published with the University of Queensland Press. HPC holds rights in North America and U. S. Dependencies.

Since its first publication in 1976, Alan Chalmers's highly regarded and widely read work--translated into eighteen languages--has become a classic introduction to the scientific method, known for its accessibility to beginners and its value as a resource for advanced students and scholars.

In addition to overall improvements and updates inspired by Chalmers's experience as a teacher, comments from his readers, and recent developments in the field, this fourth edition features an extensive chapter-long postscript that draws on his research into the history of atomism to illustrate important themes in the philosophy of science. Identifying the qualitative difference between knowledge of atoms as it figures in contemporary science and metaphysical speculations about atoms common in philosophy since the time of Democritus offers a revealing and instructive way to address the question at the heart of this groundbreaking work: What is this thing called science?

  • Sales Rank: #78593 in Books
  • Brand: Brand: Hackett Publishing Company
  • Published on: 2013-09-15
  • Original language: English
  • Number of items: 1
  • Dimensions: 8.25" h x 5.50" w x .75" l, .80 pounds
  • Binding: Paperback
  • 304 pages
Features
  • Used Book in Good Condition

Most helpful customer reviews

6 of 6 people found the following review helpful.
This is a very good book for use in introductory Philosophy of Science courses
By Michael F. Goodman
This is a very good book for use in introductory Philosophy of Science courses. As a secondary reader, you'll need to supplement the text with actual readings from philosophers of science. For example, while Chalmer's chapter on Thomas Kuhn is well done, you can only go into so much depth about Kuhn's program in 22 pages. It needs supplementing with a reading from Kuhn; let Kuhn do some talking, as it were. I do think Chalmers spends too much time on falsificationism (3 chapters), even though that theory of science was enormously influential for a time. The other thing is that I would have liked Chalmers to have included more work on the two primary goals of science, to wit, explanation and prediction, and what philosophers of science have had to say about these concepts, what problems exist and so on. So, for example, there is no sustained study in the book on Carl Hempel's Deductive-Nomological model of scientific explanation. That's just one example. While I know that Chalmer's can't do everything in the book that he/we would like, some things are missing that shouldn't be. Good, book, though; well written, good examples from the history of science, a lot to talk about.

6 of 6 people found the following review helpful.
Excellent, easy to read material
By Khana
I got this as a textbook for a Philosophy of Science class, and I honestly enjoyed the read. That's not really normal! Even for me!

Seriously, it made me wish that I was taught these concepts in high school. While I fear that many high schoolers would be a less than pleased with the information density - it is, after all, suitable for a university class - it nonetheless presents information in an extremely helpful way, to better understand what exactly science is, and just as importantly, what it is not.

This is definitely going to be added to my "recommended" list of books!

1 of 1 people found the following review helpful.
We want to know!
By Vincent Poirier
The bad news is that Chalmers doesn't answer the question the title asks, at least not in a deeply satisfying way. The good news is that he leaves us with a deep conviction that we are in fact justified in believing something true when it is scientific. But why is that? Why does calling a fact or a theory "scientific" help us accept it? This question leads us to asking the deeper question "What is science?" and while we only get an incomplete answer to that, we get enough to convince us that when knowledge is gained from results of scientific investigations and tested hypothesis, it has authority.

There is a common sense view of science that happens to be wrong: science is the slow, progressive accumulation of factual truths, that the sum total of today's scientific knowledge is an large edifice built brick by brick. It is a fairly recent view of science, simply because science itself, as we know it today, is a recent invention, one really beginning around the sixteenth century. Before that we had philosophy, which did investigate the physical and biological world, but also politics, ethics, the nature of reality, the soul, the gods and so on. (Mathematicians worked then pretty much the same way they work today, but mathematics isn't exactly science.)

Science as a slow progression is easy to understand, it seems obvious, and it supports the authority of science as a trustworthy institution, so why is this view wrong? Because science is full of big ideas and those ideas change all the time. The earth was flat, now it's round. The earth was fixed, now it orbits the sun. Things used to be made of fire, air, water and earth now they are made up of a hundred or so atomic elements assembled into millions of different molecules. There's no slow development here!

Empiricism was our first attempt to better understand the nature of knowledge. It closely matched the slow progress view of science, but it was deeper and different because it accepted that the physical world had to be studied on its own term. If we see, smell, touch or hear something we know those sense impressions. For empiricists, sensory experience is the foundation of all knowledge. For a while, it was a convincing account of science.

The problem with empiricism however is that it breaks down when the scientific enterprise leaves what can be directly experienced. We can only see the variety of life on earth and what relates different organisms together today, but we cannot _see_ the 500 million years of evolution, yet we are justified in saying birds descend from dinosaurs and that we humans descend from australopithecus. We can only see a needle move on a voltmeter, but we can't actually _see_ 120 volts of electricity even though we are justified in saying we know that's the potential in a standard North American wall outlet.

The nineteenth century attempted to correct empiricism or propose new theories of knowledge, but it's only in the twentieth century that two very different, very convincing attempts attracted widespread attention: first falsification and second structure.

Instead of justifying our knowledge as being true knowledge of the world, falsificationism dismisses the question and asserts that we _cannot_ know the world. We can propose a hypothesis and check it; if it fails the test, we reject the hypothesis but if it passes, we accept it provisionally. A rejection is conclusive: we were wrong. Provisional acceptance is just grounds to look harder. This view is actually how most of science works today and it's what actually gives it its authority: scientists constantly check their facts and are always out to debunk something. And when they publish, they have to worry about being proved wrong. This makes them very careful.

However, falsificationism, proposed and perfected by Karl Popper from the 1920s through the 1990s, doesn't really explain the _progress_ made by science. It's fine to say scientists will make this daring hypothesis or this bold conjecture, but where do these come from? After all, most of the time science does evolve bit-by-bit. It's plain not a series of conjectures each one bolder than the last. The Gregorian calendar was an incremental improvement over the Julian calendar (and it's worth mentioning both assumed the earth at the center). Small differences between what we expected to see and what we actually saw were successfully explained by tweaking the earth-centric model: the sun and moon go around the earth, but the planets go around the sun (which still goes around the earth). Eventually all those little tweaks made everything rather heavy and further progress was very very difficult. And that's when Copernicus proposed that the earth went around the sun.

A bold conjecture that came not from any single refutation of a previous idea, but from the slow realization that we'd reached a wall; that we had to try something new. The earth centred theory gave way in one sweeping moment to a sun centred model. Initially, that did not solve anything and it also had to be tweaked: the earth and the planets did not move around the sun move in circles, but in ellipses. And again we are back to the slow progress that comes from working out the details of the model. This is the structure of scientific revolution proposed by philosopher Thomas Kuhn in 1963.

It's interesting that both Popper and Kuhn give up any ambition of knowing the truth. Perhaps that is the reason why these two philosophies of science leave us a little dissatisfied: we want to know!

Vincent Poirier, Qu�bec City

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