A Researcher Conducts a Hypothesis Test to Evaluate the Effect

question 34

Multiple Choice

A researcher conducts a hypothesis test to evaluate the effect of a treatment.The hypothesis test produces a z-score of z = 2.37.Assuming that the researcher is using a two-tailed test, what decision should be made?

• A)The researcher should reject the null hypothesis with α = .05 but not with α = .01.
• B)The researcher should reject the null hypothesis with either α = .05 or α = .01.
• C)The researcher should fail to reject H₀ with either α = .05 or α = .01.
• D)Cannot answer without additional information.

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Definitions:

Operant Conditioning

A method of learning that involves rewards and punishments for behavior, which influences the likelihood of that behavior's occurrence.

Positive Reinforcement

A method in behaviorism used to increase the likelihood of a desired behavior by following it with the addition of a positive stimulus.

Outspoken

Someone characterized by the willingness to express opinions and thoughts openly and without reservation.

Psychodynamic Theorist

A psychologist or theorist who focuses on understanding the influence of the unconscious mind on behavior and mental processes, following principles initially proposed by Freud.