Dr Guidry Conducts a Study Examining the Relationship Between the Number

question 44

Multiple Choice

Dr. Guidry conducts a study examining the relationship between the number of friends one has and the experience of daily stress and life satisfaction. She randomly samples 1,500 elderly men and women in Nashville, Tennessee (the state capital) , located in the southern United States. Below are her findings.
•Life satisfaction and experience of daily stress: r = −.57 (p = .01)
•Number of friends one has and experience of daily stress: r = .09, not sig.
•Number of friends one has and life satisfaction: r = .36 (p = .04)
According to the benchmarks established by Cohen, what type of effect size has Dr. Guidry found for the association between number of friends and life satisfaction?

• A)Very small
• B)Small
• C)Medium
• D)Large

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Definitions:

Pitch

The perceived frequency of a sound, determining its musical note or tone.

Pinna

The visible part of the ear that is outside the head, which captures sound waves and directs them into the ear canal.

Middle Ear

The part of the ear that channels and amplifies sound through the eardrum, hammer, anvil, and stirrup to the inner ear.

Eardrum

A slim barrier that divides the external ear from the internal ear and oscillates when influenced by sound vibrations.