The fact that the future of a nation lies in the hands of its knowledgeable, technologically skilled, and civilized citizens is irrefutable. Secondary schools are primary centers for acquiring academic excellence as well as essential life skills. With each student being unique in his ability, learning styles, and social background, diverse…

This article reviews the history of intelligence measurement in the Sultanate of Oman, based on different aspects of historical evidence. These intelligence measurements have been used to describe activities of the Omani citizens. Since there is no unique Omani intelligence test, researchers conducted studies to standardize different intelligence…

In 19 (sub)samples from seven countries (United States, Austria, Germany, Costa Rica, Ecuador, Vietnam, Brazil), we analyzed the impact of parental education compared with wealth on the cognitive ability of children (aged 4-22 years, total N = 15,297). The background of their families ranged from poor indigenous remote villagers to academic…

Linking country-level educational achievement with other country-level indicators has the potential to drive systemic educational changes, as these correlates may reflect characteristics relevant for policy-making decisions to improve educational effectiveness. This study establishes a nomological network of educational achievement at the country…