Soft Tissue Absorbs More Radiation and Produces More Scatter Than

question 6

True/False

Soft tissue absorbs more radiation and produces more scatter than bone.

---

Definitions:

Moderator Variables

Variables that explain when, where, or for whom an effect is most likely to occur.

Random Assignment

A method in experimental design where participants are allocated to different groups on a random basis to reduce bias and increase the validity of the results.

Construct Validity

The extent to which a test or instrument measures the theoretical construct it's intended to measure.

Experimenter Bias

The possibility that the experimenter’s knowledge of the condition a particular participant is in could affect her behavior toward the participant and thereby introduce a confounding variable to the independent variable manipulation.