Latifah Measures the Height of Four- and Five-Year-Olds

question 8

Multiple Choice

Latifah measures the height of four- and five-year-olds. To her surprise, she finds no correlation between height and age. What is most likely responsible for this result?

• A)Correlational methods cannot be used to calculate age and height.
• B)A curvilinear relationship exists between the variables.
• C)The range of the variables has been restricted.
• D)The variability in the sample will not allow the accurate calculation of a correlation coefficient.

Recognize the relationship between cultural practices, environment, and societal challenges.

Understand the differences between nightmares and night terrors, including their physiological impacts.

Recognize the stages of sleep and the characteristics of each.

Describe theories of dreaming, including activation-synthesis and cognitive-process theories.

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Definitions:

Significance Level

The probability of rejecting the null hypothesis when it is true, often denoted by alpha (α).

Chance

The occurrence of events in the absence of any deliberate intention or predictable causation, often used to describe random variability in data.

Confidence Interval

A range of values derived from sample data that is likely to contain the true population parameter with a certain level of confidence.