Which of the Following Is True About Positron-Emission Tomography (PET)and

question 63

Multiple Choice

Which of the following is true about positron-emission tomography (PET) and single photon emission computed tomography (SPECT) ?

• A)The same tracer substance is used in both SPECT and PET.
• B)SPECT is less accurate than PET.
• C)PET is less expensive than SPECT.
• D)The procedures of SPECT are significantly different from those of PET.

---

Definitions:

Correlation Coefficient

A statistical measure that calculates the strength and direction of the linear relationship between two variables.

Correlation Coefficient

An index assessing the power of association between a pair of variables.

Dependent Variable

A dependent variable is the outcome or response that researchers are interested in explaining or predicting, changing in response to manipulation of the independent variable.

Independent Variable

The variable in an experimental or observational study that is manipulated or categorized to observe its effect on the dependent variable.