7/2/2015Ch 7: Cohort Studies11 Chapter 7: Observational Cohort Studies.
Research on development of adult intelligence Cross-sectional studies: –Steady decline –Cohort...
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![Page 1: Research on development of adult intelligence Cross-sectional studies: –Steady decline –Cohort effect? Longitudinal studies: –Continued improvement through.](https://reader036.fdocuments.us/reader036/viewer/2022083009/5697bfc51a28abf838ca6e7a/html5/thumbnails/1.jpg)
Research on development of adult intelligence
• Cross-sectional studies:– Steady decline– Cohort effect?
• Longitudinal studies:– Continued improvement through 50s– Problems?
• Cross-sequential– Replace drop outs– Improves through 50s
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Reseach on development continued
• Basic skills decline to age 25 at:– Verbal meaning: 74– Inductive reasoning: 67– Spatial orientation: 67– Word fluency: 60
• Issue of “use it or lose it” recommendations
![Page 3: Research on development of adult intelligence Cross-sectional studies: –Steady decline –Cohort effect? Longitudinal studies: –Continued improvement through.](https://reader036.fdocuments.us/reader036/viewer/2022083009/5697bfc51a28abf838ca6e7a/html5/thumbnails/3.jpg)
Current approaches to measurement
• Wechsler Adult Intelligence Scale (WAIS-III). Measures 4 domains:
1. Verbal2. Nonverbal/spatial3. Working memory4. Processing speed
![Page 4: Research on development of adult intelligence Cross-sectional studies: –Steady decline –Cohort effect? Longitudinal studies: –Continued improvement through.](https://reader036.fdocuments.us/reader036/viewer/2022083009/5697bfc51a28abf838ca6e7a/html5/thumbnails/4.jpg)
Measurement continued
• Stanford-Binet Test of Intelligence1. Verbal2. Quantitative (math)3. Spatial reasoning4. Short-term memory
Distribution of scoresx = 100, SD = 15 or 16
![Page 5: Research on development of adult intelligence Cross-sectional studies: –Steady decline –Cohort effect? Longitudinal studies: –Continued improvement through.](https://reader036.fdocuments.us/reader036/viewer/2022083009/5697bfc51a28abf838ca6e7a/html5/thumbnails/5.jpg)
Validity of IQ scores?
• Predict school performance• Predict educational level• Predict occupational success• Only account for 25% of variance
![Page 6: Research on development of adult intelligence Cross-sectional studies: –Steady decline –Cohort effect? Longitudinal studies: –Continued improvement through.](https://reader036.fdocuments.us/reader036/viewer/2022083009/5697bfc51a28abf838ca6e7a/html5/thumbnails/6.jpg)
What affects intelligence test scores?
• Biology• Environment• Remember nature/nurture
interactions• culture
![Page 7: Research on development of adult intelligence Cross-sectional studies: –Steady decline –Cohort effect? Longitudinal studies: –Continued improvement through.](https://reader036.fdocuments.us/reader036/viewer/2022083009/5697bfc51a28abf838ca6e7a/html5/thumbnails/7.jpg)
Emotional intelligence
• Ability to reason about emotions– Recognize the meaning of emotions– Use those emotions to facilitate
thinking– Manage them
![Page 8: Research on development of adult intelligence Cross-sectional studies: –Steady decline –Cohort effect? Longitudinal studies: –Continued improvement through.](https://reader036.fdocuments.us/reader036/viewer/2022083009/5697bfc51a28abf838ca6e7a/html5/thumbnails/8.jpg)
Model of emotional intelligence
• 4 branch model of EIQ:1. Perceiving emotion2. Using emotion to facilitate thought3. Understanding emotions4. Managing emotions
Daniel Goleman’s book Emotional Intelligence (1995)
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