If You Stay Awake for 3 Days and Then Fall

question 119

Multiple Choice

If you stay awake for 3 days and then fall asleep, you will likely not sleep for the 24 hours of sleep that you missed. Instead, you might sleep 12 hours on the first night. Of the different stages of sleep, you are most likely to make up hours from stage _________.

• A) 1
• B) 2
• C) 3
• D) REM
• E) 1 and 3

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Definitions:

Operational Definition

A clear, precise description of a variable in terms of the specific process or set of validation tests used to determine its presence and quantity.

Independent Variable

The factor in an investigation that is deliberately altered to study its impact on a variable that is being measured.

Dependent Variable

In scientific research, it is the variable being tested and measured, expected to change as a result of manipulations of the independent variable.

Independent Variable

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