Trevor Plans to Study the Relationship Between People's Responses to Highly

question 166

Multiple Choice

Trevor plans to study the relationship between people's responses to highly stressful situations and their overall health.He decides he must use correlational research,rather than experimental research,to investigate this problem.Trevor most likely chose a correlational method because correlational studies

• A) tend to be more accurate than experiments.
• B) have higher internal validity than experiments when there are two dependent variables.
• C) can be used to study either positive or negative relationships, whereas experiments can only be used to study positive relationships.
• D) can be used to investigate factors that would be unethical to manipulate in an experimental study.

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Definitions:

Endoderm

The innermost layer of cells or tissue of an embryo in early development, which gives rise to the lining of the digestive and respiratory systems.

Epidermis

The outermost layer of skin that provides a waterproof barrier and creates our skin tone.

Mucosa

Mucous membrane consisting of epithelium and lamina propria. In the digestive tract, there is also a layer of smooth muscle.

Syncytiotrophoblast

A layer of multinucleated cells that form the outer layer of the blastocyst, contributing to the formation of the placenta in pregnancy.