Research Study Questions

How many families were involved in Van Leeuwen's (2008) study?

• 52 families

• 82 families

• 112 families

• 152 families

Who signed a consent form to take part in the study?

• Parents only

• Children only

• Parents and children

• Nobody

How many problems are included in the RSPM test?

• 30 problems

• 45 problems

• 60 problems

• 75 problems

What is the purpose of the Raven Advanced Progressive Matrices (RAPM)?

• To test children's intelligence

• To test adults' intelligence

• To test musical ability

• To test physical strength

What does a larger variance in siblings' scores suggest?

• Environmental factors are more influential

• Genetic factors are more influential

• Siblings have similar scores

• Siblings have identical scores

How are children with low IQs affected by environmental factors compared to those with high IQs?

• Less affected

• More affected

• Not affected

• Equally affected

What is a methodological issue in studying intelligence according to the text?

• It is unethical

• It is socially sensitive

• It is not relevant

• It is too difficult to administer IQ tests

What psychometric test did participants take?

• Stanford-Binet intelligence scale

• Woodcock-Johnson test of cognition

• Raven's Progressive Matrices

• MENSA IQ test

Which of these was NOT an aim of the study?

• To investigate spousal correlations in intelligence

• To investigate genetic inheritability of intelligence

• To investigate impact of environment on intelligence

• To investigate impact of teaching methods on intelligence

According to the study, genetics accounts for what % of variance in different people's intelligence?

• 7%

• 27%

• 47%

• 67%