complexitystudies

The post linked to below is actually about the safety of space shuttles, but I find another conclusion more interesting.
In the news you often hear that flying is safer than all other forms of travel, and this is true on a per kilometer basis. But not on a per hour basis (passenger hours vs. passenger [...]

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One of my favourite pet topics is criticism of the current practice of statistical significance testing (which I found ridiculous from my first exposure to it). Here some reading on the feud:
Is significance testing all bad?

Technorati Tags: statistics

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To analyze data and also to critically review studies made by other people, one needs a good grasp of some basic concepts of statistics (and probability, but that is for another day). Here is a nice post about error bars: Cognitive Daily: I’ll bet you don’t understand error bars (updated with answers)

Technorati Tags: statistics

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This is a nice thing to keep in mind (often forgotten):
Statistical significance means only that the pattern of distribution and relationship between variables which is found in the data from a sample can be confidently generalized to the larger populattion from which the sample was randomly drawn. By itself, it does not ensure that the [...]

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Making sense of data requires visualization methods - here is an ingenious overview:
A Periodic Table of Visualization Methods

Technorati Tags: complexity, statistics

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Here some more links devoted to rational thinking, which I found on the site mentioned in the previous post and which are simply excellent:
Chance Welcome Page
Fallacy Files
Argument Mapping Tutorials

Technorati Tags: bias, cognitive science, rationality, statistics

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I can’t help but frequently link to the blog below, the entries are simply excellent. Although I should try to comment more in the future
Statistical Modeling, Causal Inference, and Social Science: Truth is stranger than fiction

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Statistical Modeling, Causal Inference, and Social Science: The fallacy of the one-sided bet (for example, risk, God, torture, and lottery tickets)
A good post from a great blog!

Technorati Tags: bayes, statistics

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The opinion that beauty in human faces is connected to symmetry is widely “known” but seems to be false:
Overcoming Bias: Symmetry Is Not Pretty

Technorati Tags: statistics

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An interesting parallel between Bayes and Evolution: Social Science Statistics Blog: Bayesian inference and natural selection

Technorati Tags: complexity, statistics

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