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:

Foot-In-The-Door Phenomenon

A psychological tactic of persuading someone to agree to a small request as a means of increasing the likelihood of agreeing to a larger request later.

Life Insurance

Life insurance is a contract between an insurer and a policyholder, where the insurer agrees to pay a designated beneficiary a sum of money upon the death of the policyholder.

Attitude

A psychological construct consisting of feelings, beliefs, and behavior tendencies directed towards people, objects, or ideas.

Fundamental Attribution Error

The tendency to overestimate the influence of personal traits and underestimate the role of situations when explaining other people's behavior.