If You Were Conducting an Experiment Examining the Impact of Sleep

question 109

Multiple Choice

If you were conducting an experiment examining the impact of sleep deprivation on physical ability, which of the following would be an appropriate operational definition of sleep deprivation?

• A) being without sleep for more than 24 hours
• B) getting more than 8 hours of sleep the night before the study
• C) participants' self-reported amount of sleep the night before
• D) the average amount of sleep Americans get in a given night

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Definitions:

Explanatory Variable

A variable that is manipulated or observed to determine its effects on a dependent variable in an experimental or observational study.

Herbal Tea

A beverage made from the infusion or brewing of herbs, spices, or other plant material in hot water, often for their medicinal properties.

Blinding

A method used in research and experiments to prevent participants, and sometimes the researchers too, from knowing certain information that may lead to bias.

Lurking Variable

A variable that is not directly measured or controlled in a study but can affect the variables of interest, potentially leading to misleading conclusions.