Discuss Some Factors Both Internal and External to a Study

question 84

Essay

Discuss some factors both internal and external to a study which might threaten its validity.What are some ways of controlling for these threats?

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Definitions:

Langerhans Cells

Specialized dendritic cells located in the epidermis that play a key role in the skin's immune response.

Keratinocytes

The primary type of cells found in the epidermis, responsible for the production of keratin.

Melanocytes

Cells located in the bottom layer of the skin's epidermis and in the eye, responsible for producing melanin, the pigment that gives skin its color.

Keratinocytes

The predominant cell type in the epidermis, responsible for the production of keratin, a protein that helps protect the skin from environmental damage.