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One day, after their psychology class, Olivia and Hannah are talking about dreaming. Most mornings Olivia doesn't remember any of her dreams, but occasionally she has vivid recollections when she wakes. Hannah says she has the same experience and wonders why. When they talk to friends about the phenomenon, they notice a pattern related to the stress of the previous day. They verbalize this pattern as, "When people feel stressed out over something one day, they are more likely to remember their dreams the following day." Olivia and Hannah have just formed a
Chronological Age
The exact age of an individual measured in years from the date of birth to the current date, usually used as a measure in developmental studies.
Mental Age
A measure of an individual's mental attainment as compared to the average mental ability of individuals of a specific chronological age.
Stanford-Binet Intelligence Scale
A standardized test designed to measure human intelligence and cognitive abilities in five factors: fluid reasoning, knowledge, quantitative reasoning, visual-spatial processing, and working memory.
Intelligence Quotient
A numerical measure of a person's cognitive abilities relative to their age group, typically obtained through standardized tests.
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