A Sample Has a Mean of M = 39

question 39

Multiple Choice

A sample has a mean of M = 39.5 and a standard deviation of s = 4.3,and produces a t statistic of t = 2.14.For a two-tailed hypothesis test with α = .05,what is the correct statistical decision for this sample?

• 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.

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Definitions:

Behavior Determination

The process by which an individual's actions are influenced by internal drives and external environmental factors.

Big Five

A model in psychology that describes personality using five broad traits: openness, conscientiousness, extraversion, agreeableness, and neuroticism.

Personality Factors

Fundamental traits or dimensions of personality that are consistent across different individuals and influence behavior and attitudes.

Gordon Allport

An influential psychologist renowned for his theory of personality that emphasizes the uniqueness of the individual and the importance of the present context.