Professor Grant Is Interested in Studying the Development of a Sense

question 48

Multiple Choice

Professor Grant is interested in studying the development of a sense of humor. She collects data from groups of 6-year-olds, 16-year-olds, 26-year-olds, and 46-year-olds. What type of research design is Professor Grant using?

• A) cohort design
• B) longitudinal design
• C) behavior genetics design
• D) cross-sectional design

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Definitions:

Monozygotic Twins

Twins that are genetically identical because they were formed from a single fertilized egg that split into two, sharing 100% of their genes.

Dizygotic Twins

Also known as fraternal twins, these are siblings born at the same time who have developed from two different eggs fertilized by two different sperm, sharing about 50% of their DNA.

Adoption Study

A study that focuses on children who have been reared apart from their biological parents.

Biological Parents

The parents who contribute their genetic material to the offspring through reproduction.