Jade Is a Graduate Student Who Is Studying the Way

question 27

Multiple Choice

Jade is a graduate student who is studying the way in which selective attention develops during the preadolescent years.She selects a group of 10-year-olds,and she assesses their selective attention every six months over a two-year period.In this example,Jade is using

• A) a longitudinal research design.
• B) a cross-sectional research design.
• C) a multi-factorial research design.
• D) a nested condition research design.

---

Definitions:

Recessive Genes

Genetic traits that require two copies (one from each parent) to be expressed in the offspring. If only one copy is present, the trait will not manifest because it is masked by a dominant gene.

Dominant Genes

These are genes that are expressed over other genes, called recessive genes, in determining certain traits in an organism.

DNA

The molecule that carries genetic instructions for the development, functioning, growth, and reproduction of all known organisms and many viruses.

Amines

Organic compounds and functional groups that contain a basic nitrogen atom with a lone pair.