Archive of Norms, Stimuli, and Data

The Psychonomic Society Archive of Norms, Stimuli, and Data is an excellent resource for students looking for research tools. There are stimuli such as word lists. There are statistical macros. There are also preexisting programs to replicate previous...

The Value of Allen Iverson

With all the talk of trading Allen Iverson, it reminded me of an interesting book review by Malcolm Gladwell. The book, The Wages of Wins, was written by a group of economists. It uses regression analysis to determine how many wins each player is worth his team. As...

Perception Bias

The processing of the world is conducted through many levels. In humans, the first level of information processing is done through the senses. The ‘raw information’ is then processed and forms our mental image of the world. Cognitive biases are known to...
File Drawer Problem

File Drawer Problem

The File Drawer Problem is a publication bias in which results that are significant are published more that results that are not statistically significant. That is, non-significant findings end up in the file drawer. The file drawer problem can come from many sources....

Conjunction Fallacy

The conjunction fallacy is credited to the work of Amos Tversky and Daniel Kahneman. It is a mistake that people make when they assume that a specific condition is more likely than a more general one. A specific event will have many conjoined events, while a single...