Sarah Is Participating in a Sleep Study

question 126

Multiple Choice

Sarah is participating in a sleep study. Although she appears to be sleeping, her EEG pattern exhibits fast brain-wave activity, and the recording from the electrooculogram seems to indicate that she is moving her eyes. This suggests that Sarah:

• A)is having a seizure.
• B)is lying with her eyes closed and is relaxed but not actually sleeping.
• C)has a sleep disorder.
• D)is in REM sleep.

---

Definitions:

X Scores

Often refers to the values of observations or data points in a dataset, particularly in the context of variables or scores on a test.

Independent Variable

The variable in an experiment or study that is manipulated or changed by the researcher to observe its effects on the dependent variable.

Predicted Variable

The outcome variable whose values are forecasted or estimated in regression analysis.

Outcome Variable

The variable that is being measured or observed in a study to determine the effects of the independent variable; also known as the dependent variable.