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TABLE 11-5
Four surgical procedures currently are used to install pacemakers. If the patient does not need to return for follow-up surgery, the operation is called a "clear" operation. A heart center wants to compare the proportion of clear operations for the four procedures, and collects the following numbers of patients from their own records:
They will use this information to test for a difference among the proportion of clear operations using a chi-square test with a level of significance of 0.05.
-Referring to Table 11-5, the decision made suggests that the four procedures do not all have the same proportion of clear operations.
Self-Regulation
The ability to manage one's thoughts, emotions, and behaviors in accordance with long-term goals.
Longitudinal Study
A research design that involves repeated observations of the same variables (such as people) over short or long periods of time.
Intellectual Abilities
The capacity for logical, rational thought, as well as problem solving and learning.
Early Adulthood
A life stage typically ranging from the late teens or early twenties until the thirties, characterized by the pursuit of independence, career development, and, for many, starting a family.
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