Continuing Secular Increases in Intelligence and a Stable Prevalence of High Intelligence Levels.

Teasdale, T. W.; Owen, David R.

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Peer reviewed

ERIC Number: EJ399788

Record Type: Journal

Publication Date: 1989

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Continuing Secular Increases in Intelligence and a Stable Prevalence of High Intelligence Levels.

Teasdale, T. W.; Owen, David R.

Intelligence, v13 n3 p255-62 Jul-Sep 1989

Data from two samples of 32,862 and 6,757 males, respectively, from the Danish draft board indicate that gains in intelligence test scores are continuing and are concentrated among lower intelligence levels. Monte Carlo simulations suggested that this distributional change did not result from a ceiling effect in the test. (SLD)

Descriptors: Adults, Foreign Countries, Intelligence Tests, Males, Military Personnel, Monte Carlo Methods, Scores, Simulation, Test Results, Trend Analysis

Publication Type: Journal Articles; Reports - Research

Education Level: N/A

Audience: N/A

Language: English

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Authoring Institution: N/A

Identifiers - Location: Denmark

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