Loading the sacks in the test situation will correlate with loading the sacks in the field. Similarly, the items on tests like the SAT correlate with the tasks required in college. So, it is more valid to give the SAT to high school seniors applying to college, but not valid to give it to high school seniors learning a trade. In the latter case, other, more valid tests could be devised. Wrote Introduction to Comparative Psychology Developed Morgan's Canon, a modern version of Occam's Razor Animal psychology was a new and original kind of psychology compared to voluntarism and structuralism URLs Talk.
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Contains numerous links to related information on Dawkins. Many other links point to related resources. Breaking the Last Taboo and Soft Science with a Neoconservative Agenda.