During Final Exams Each Year, Janet Gets a Bad Case

question 111

Multiple Choice

During final exams each year, Janet gets a bad case of bronchitis. The stress of final exams has done all of the following EXCEPT

• A)lowered Janet's immunity.
• B)caused her body to release substances that decreased inflammation.
• C)activated her body's self-protective response, which will prolong the infection and delay healing.
• D)increased her susceptibility to disease.

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Definitions:

Confound

In an experiment, what occurs when two or more variables exert their influence at the same time, making it impossible to accurately establish the causal role of either variable.

Independent Variables

Factors in an experiment that are manipulated or changed by the researcher to observe their effects on dependent variables.

Dependent Variable

In research, the variable that is being measured or tested to see how it is influenced by changes in another variable (the independent variable).

Correlation Coefficients

Statistical measures that describe the size and direction of a relationship between two or more variables.