A Study Using the Experimental Design Has Found That in Conditions

question 33

Multiple Choice

A study using the experimental design has found that in conditions in which there are more people in a room, the average reaction time to respond to a request for help is less. In this experiment the independent variable is____________ and the dependent variable is_______________.

• A) the number of people in the room; the gender of the participants
• B) the gender of the participants; the number of people in the room.
• C) reaction time to help; number of people in the room
• D) the number of people in the room; reaction time to help

Recognize the role of dietary and lifestyle choices in affecting sleep.

Understand the impact of work schedules and environmental factors on sleep patterns.

Identify the appropriate use of medications and devices in the management of sleep disorders.

Recognize the special sleep considerations for specific populations, including infants, children, and the elderly.

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Definitions:

Confidence interval

A ladder of figures, gathered from statistical study of a sample, with a probability of including the undetected value of a population parameter.

SAT scores

Standardized test scores used primarily in the United States for college admissions, assessing reading, writing, and mathematical skills.

Normal distribution

A statistical distribution where data is symmetrically distributed around the mean, often represented as a bell-shaped curve.

Interval estimate

An estimate of a population parameter that provides a range of values believed to contain the parameter.