A Sample of N = 25 Scores Produces a T

question 58

Multiple Choice

A sample of n = 25 scores produces a t statistic of t = 2.062.If the researcher is using a two-tailed test,which of the following is the correct statistical decision?

• A)The researcher can reject the null hypothesis with α = .05 but not with α = .01.
• B)The researcher can reject the null hypothesis with either α = .05 or α = .01.
• C)The researcher must fail to reject the null hypothesis with either α = .05 or α = .01.
• D)It is impossible to make a decision about H₀ without more information.

---

Definitions:

Phenothiazines

Drugs that reduce the functional level of dopamine in the brain and tend to reduce the symptoms of schizophrenia.

Disruptive Behaviors

Actions that interfere with the orderly and effective operation of social norms, rules, or mechanisms.

Atypical Antipsychotics

A class of medication used to treat psychiatric conditions, differing from traditional antipsychotics by having lower risk of certain side effects.

Hyperactivity-Impulsivity

A condition marked by excessive movement and actions taken without forethought, which can impede functioning in different settings.