Class Notes (811,170)
BIOA02H3 (428)
Lecture

# Where Does Intelligence Come From.docx

3 Pages
44 Views

School
University of Toronto Scarborough
Department
Biological Sciences
Course
BIOA02H3
Professor
Jamie Donaldson
Semester
Winter

Description
Where Does Intelligence Come From:  Belief that everything we know and think is a product of our experience with the world.  Leibniz’s view: they think human beings as the joint product of nature and nurture, where they gain characteristics that are endowed and of the experiences. Genetic Influences of Intelligence: Studying Relativeness:  Members of the same family may have similar levels of intelligence because they share the same genes and environment-or both.  When siblings have the same biological parents but different birthdays, they share the 50% of their genes  Fraternal twins: twins who develop from two different eggs that are fertilized by two different sperm-they share average of 50% of the genes.  Identical twins: twins who develop from splitting of a single egg that was fertilized by a single sperm and they share 100% of their genes.  Identical twin test scores are strongly correlated when brought up in the same household. But there is also a correlation if they are not brought up in the same house.  People who share all their genes have similar intelligence test sores regardless of whether they share their environment.  Genes play an important role in determining intelligence Heritability:  Heritability coefficient: is a statistic that describes the proportion of the difference between people’s scores that can be explained by differences in their genes.  50 percent of the difference between people’s intelligence test scores is due to genetic differences between them (that doesn’t mean 50 percent genes, 50 percent environment)  The intelligences of a single person is a product of both genes and experiences and cannot be “due” to one of these things more than the other.  This coefficient, tell us why people in a particular group differ from one another.  People with identical experience, then differ due to genes, and when people have identical genes they differ in experiences.  Shared environment: those environmental factors that are experienced by all relevant members of a household.  Correlation between IQ scores of siblings decrease as the age difference between them increases due to different shared environments.  The family environment does not matter for development, but what matters is the individual environment of these children. Environmental Influences on Intelligence  Traits that are strongly influenced by genes may also be strongly influenced by the environment  Relative intelligence: generally stable over time (if your intelligent at age 11 , you will be at age 80)  Absolute intelligence: change considerably over time. Intelligence tends to increase between adolescence and middle age and then decline after  Absolute intelligence tends to decrease across the average life span, but increase through generations.  Flynn effect: average intelligence test score has been
More Less

Related notes for BIOA02H3

OR

Don't have an account?

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Join to view

OR

By registering, I agree to the Terms and Privacy Policies
Just a few more details

So we can recommend you notes for your school.