Four Surgical Procedures Currently Are Used to Install Pacemakers

question 22

Multiple Choice

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 4 procedures and collects the following numbers of patients from their own records: Procedure

Which of the following tests will be the most appropriate to find out whether the 4 procedures are equally effective?

• A)X² test for difference in proportions.
• B)Z test for difference in proportions.
• C)One-way ANOVA F test for differences among more than two means
• D)McNemar test.

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Definitions:

Social Learning Theory

A theory that suggests individuals learn behaviors, norms, and values by observing and imitating others, especially those in socially influential positions.

Fixed Ratio

A reward system where a response is reinforced only after a specified number of correct responses.

Schedule of Reinforcement

A tactic in behavioral psychology determining how and when the occurrence of a desired behavior will be rewarded or punished.

Self-efficacy

Self-efficacy is the belief in one's own ability to accomplish tasks and overcome challenges, influencing motivation and performance.