Sapna Is Interested in the Influence of Nutrition on Reaction

question 69

Multiple Choice

Sapna is interested in the influence of nutrition on reaction time.She assigns participants to eat a salad and fruit for dinner every day for a week or to eat fast food each day.She then brings participants into the lab and asks them to push a button on a keyboard as fast as they can every time they hear a particular sound.What are the operational definitions of the variables in Sapna's study?

• A) Nutrition; whether participants eat a salad or fast food
• B) Nutrition; reaction time
• C) Whether participants eat salad or fast food; reaction time
• D) Whether participants eat salad or fast food; how quickly they push the button when they hear the sound

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Definitions:

Unprotected Sexual Intercourse

Sexual activity without the use of barrier contraceptives, increasing the risk of sexually transmitted infections and unintended pregnancies.

Plateau Phase

A stage in sexual response during which physiological arousal is maintained at a high level before climax.

Sexual Response Cycle

The series of physical and emotional phases that occur when an individual becomes sexually aroused and participates in sexually stimulating activities.

Excitement Stage

A phase in the human sexual response cycle characterized by an increase in heart rate, muscle tension, and blood flow to the genitals, often marked by feelings of sexual arousal.