Strayer and Colleagues Wanted to Establish If There Was a Causal

question 203

Multiple Choice

Strayer and colleagues wanted to establish if there was a causal relationship between cell phone use while driving and increased risk of vehicular collision. The independent and dependent variables in that experiment were, respectively

• A)whether or not the person was talking on a cell phone, and the braking reaction time
• B)the undergraduate students with a range of driving experience and visual acuity, and whether or not the person was talking on a cell phone
• C)the braking reaction time and whether or not the person was talking on a cell phone
• D)whether or not the person was talking on a cell phone, and the undergraduate students with a range of driving experience and visual acuity

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Definitions:

Aerobic Fitness

The ability of the heart, lungs, and circulatory system to supply oxygen efficiently during sustained physical activity.

Heart Attack

A medical emergency where the blood flow to the heart is suddenly blocked, resulting in damage to the heart muscle.

Cardiorespiratory Fitness

A health-related component of physical fitness that relates to the ability of the circulatory and respiratory systems to supply oxygen during sustained physical activity.

Anaerobic Exercise

High-intensity physical activity that does not rely on oxygen as the primary energy source and focuses on strengthening muscles.