In reality most people will find their new mattress to be very comfortable sometime within the first couple nights, however really experiencing the real comfort, support, and relaxation a new mattress provides can be about a week or so.
intelligence quotient (IQ). defined originally as the ratio of mental age (ma) to chronological age (ca) multiplied by 100 [thus, IQ = (ma/ca) x 100]. On contemporary intelligence tests, the average performance for a given age is assigned a score of 100.efined originally as the ratio of mental age (ma) to chronological age (ca) multiplied by 100 [thus, IQ = (ma/ca) x 100]. On contemporary intelligence tests, the average performance for a given age is assigned a score of 100.
Many parents are confused about IQ testing. The initials IQ stand for Intelligence Quotient. The term came from tests that were initially created in 1905 by Alfred Binet for the purpose of determining whether children were sufficiently intelligent to benefit from schooling. Binet devised a series of tests for each year of child development to calculate children's mental ages compared to their chrono-logical ages.