Carcinogens May Be Difficult to Identify Because _______________

question 35

Multiple Choice

Carcinogens may be difficult to identify because _______________.

• A)there is a long lag time between exposure to the agent and disease
• B)they are the least common toxicants
• C)there is no way to measure the carcinogenic potential of a substance
• D)they are rare in nature
• E)most are invisible

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Definitions:

Correlation Coefficient

A numerical measure that represents the strength and direction of a relationship between two variables, ranging from -1 to 1.

Placebo Effect

A phenomenon in which a person's condition improves because they believe they are receiving treatment, even though the treatment has no therapeutic value.

Participant Bias

A type of bias that occurs when participants in a study act or respond differently because they know they are being observed.

Double-Blind Experiments

Double-Blind Experiments are studies where neither the participants nor the experimenters know who has been administered the treatment or the placebo, reducing biases.