Search: “HVGIQ” (Page 2 of 2)

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HVGIQ: Dominican Republic

The Dominican Republic shares the island of Hispaniola with Haiti, but has a much higher standard of living. Jared Diamond offered some characteristically plausible-sounding reasons for this disparity in his 2005 book Collapse, and these ideas received a fair bit of media coverage following the Haiti earthquake in 2010. While race and human capital both […]

HVGIQ: The Bahamas

The Bahamas is one of the most prosperous nations in the world (Third highest GDP per capita in the Americas, behind the US and Canada), with an economy, much like the Cayman Islands, primarily dependent upon tourism and finance. The population, not much larger than 350,000, is 85% black, 12% white, and 3% Asian and […]

HVGIQ: Jamaica

IQ and the Wealth of Nations (2002) cites one study for Jamaica (Manley, 1963 ). The sample size is nearly two thousand school children, and the reported IQ is 72 (p. 209). Lynn’s various updates to that book have included five additional references. However, in another anomaly, the most recent book contains only two references, […]

HVGIQ: Cayman Islands

The Cayman Islands is a British Overseas Territory. In global comparison, this tiny dependency ranks near the top in standard of living and per capita GDP (currently sandwiched between the U.S., Ireland, Japan and Iceland). Lynn and Vanhanen’s books include data for Bermuda—another Overseas Territory—but do not mention the Cayman Islands. At least one psychologist […]

HVGIQ: Cuba

There are several intelligence studies for Cubans, including at least two Raven standardizations, some international assessment data, and a few different test measures for Cuban Americans. The message of all these test results is complicated and leaves us with a few puzzles. IQ and the Wealth of Nations (2002) and IQ and Global Inequality (2006) […]

HVGIQ: Haiti

Lynn’s international dataset lacks data for Haiti. The Global Bell Curve (2008) simply reports “Nothing is known of the intelligence of the population of Haiti” (p. 147). IQ and the Wealth of Nations (2002) estimates an IQ of 72 by regional comparison with Jamaica. IQ and Global Inequality (2006) estimates an IQ of 67 by […]

Top Ten Human Varieties Posts

In the more than three years of its existence, about 110 posts have been published on this blog. While blogging has unfortunately been light in recent times around here, the upside of the data- and analysis-heavy format of our posts is that they rarely lose their relevance with time, making the perusal of our old […]

Ethnic/Race Differences in Aptitude by Generation in the United States: An Exploratory Meta-analysis

An early version of this paper was posted on June 25th. The paper has since been extensively edited and corrected and, subsequently, published at Open Differential Psychology on July 25/26th, 2014. The paper and data files can be found here at the Open Differential Psychology site. PDF. Abstract Cognitive ability differences between racial/ethnic groups are […]

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