Do the Mega and Titan Tests Yield Accurate Results? An Investigation into Two Experimental Intelligence Tests

What is it about?

Intelligence tests for adults tend not to distinguish inside the highest percentile. In the 1980s the philosopher and psychometrician Ronald K. Hoeflin wrote two tests which purportedly were able to make fine distinctions among adults of above average ability. The claimed ceilings for the tests were above the one in a million level. Through a renorming of the tests, this affirmation is subjected to scrutiny.

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