Mead in Poland which the 12th-century chronicler Gallus Anonymus described as "flowing with honey". This abundance of honey and a climate ill-suited for grape growing meant that mead was long more popular than wine. In 996, the Sephardi Jewish traveller Ibrahim ibn Yaqub wrote that "besides food, meat and land for ploughing, the country of Mieszko I abounds in mead, which is what the Slavic wines and intoxicating drinks are called". In the 15th century, the Venetian diplomat Ambrogio Contarini observed that "having no wine, [the Poles] make a certain drink out of honey, which intoxicates people much more than wine." The 16th-century
Margaret Mead Methodology of Racial Testing: Its Significance for Sociology" Mead proposes that there are three problems with testing for racial differences in intelligence. First, there are concerns with the ability to validly equate one's test score with what Mead refers to as "racial admixture" or how much "Negro or Indian blood" an individual possesses. She also considers whether this information is relevant when interpreting IQ scores. Mead remarks that a genealogical method could be considered valid if it could be "subjected to extensive verification". In addition, the experiment would need a steady control group to establish whether racial admixture was actually