Use the Following Information for Following Questions

question 28

Multiple Choice

Use the following information for following questions .
The distribution of the number of hours of sleep people get per night is unimodal
and symmetric with a mean of 6 hours and a standard deviation of 1.5 hours.
-If James had a z-score of 1.2, explain what this value means in terms of the number of hours of sleep he gets.

• A)James sleeps 1.2 hours less than the average person.
• B)James sleeps 1.2 hours more than the average person.
• C)The number of hours James sleeps is 1.2 standard deviations below the mean.
• D)The number of hours James sleeps is 1.2 standard deviations above the mean.

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Definitions:

Psychological Variables

Factors or aspects of psychological health that can change and affect behavior, mood, and cognitive processes, such as stress, self-esteem, and motivation.

Developmental Variables

Refers to factors that influence the growth and progress of an individual across their lifespan, including genetic, environmental, psychological, and social influences.

Family Variables

Factors within the family unit that influence behaviors, health, and well-being of its members, including dynamics, communication patterns, and roles.

Intrapersonal Variables

Factors within an individual, such as beliefs, attitudes, and personality traits, that can influence behavior and outcomes.