A Two-Tailed Hypothesis Test Is Being Used to Evaluate a Treatment

question 56

Multiple Choice

A two-tailed hypothesis test is being used to evaluate a treatment effect with ? = .05.If the sample data produce a z-score of z = -2.24, then what is the correct decision?

• A)Reject the null hypothesis and conclude that the treatment has no effect.
• B)Reject the null hypothesis and conclude that the treatment has an effect.
• C)Fail to reject the null hypothesis and conclude that the treatment has no effect.
• D)Fail to reject the null hypothesis and conclude that the treatment has an effect.

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Definitions:

Different Companies

Various organizations involved in commercial, industrial, or professional activities, each with distinct identities and business practices.

Same Work

Performing identical tasks or duties as others, often in the context of fairness or job roles.

Psychological Empowerment

A state in which individuals feel a sense of control over their work, perceive their work as meaningful, and believe they can perform competently.

Personal Fulfillment

A sense of satisfaction and achievement derived from pursuing and realizing one’s own goals, desires, or potentials.