Chapter 21 review EDPS - Chapter 21:Middle...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Chapter 21:Middle Adulthood:Cognitive Development What is Intelligence ? • For most of twentieth century, scientists and public assumed there was such a thing as intelligence, with general intelligence thought to be a single entity • Now scientists believe it is more useful to look at adult intelligence as several distinct intellectual capacities Studying Intelligence During the Twentieth Century • Psychometricians disagreed about whether general intelligence rises or falls after age 20 or so Cross-Sectional Research • For first half of the twentieth century, psychologists were convinced, based on solid evidence, that intelligence declined over time – a classic cross-sectional study found that the average male: • reached his intellectual peak at about age 18 • intellectual decline began in mid-20s – hundreds of other cross-sectional studies in many nations also found younger adults outscored older adults on measures of intelligence Longitudinal Research • In 1955, Nancy Bayley and Melita Oden analyzed adult intelligence of child geniuses who had grown up – Found that most of the 36-year-olds were still improving in vocabulary, comprehension, and information • Bayley wondered whether this group’s high intelligence during childhood had protected them from age-related decline • After further research, Bayley concluded – intellectual learning is unimpaired through age 36 and beyond – Longitudinal research showed that, over time, intellectual growth resulted from • improvements in quality and extent of public education • variety of cultural opportunities • expanded media information • Bayley’s research also showed: – older adults previously tested often did not go beyond 8th grade and so did not fully develop their intelligence – each generation scores higher on IQ tests because each is better
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 04/03/2008 for the course EDPS 325 taught by Professor Gould during the Fall '07 term at Eastern Michigan University.

Page1 / 3

Chapter 21 review EDPS - Chapter 21:Middle...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online