A Researcher Obtains T = 2

question 65

Multiple Choice

A researcher obtains t = 2.25 for a repeated-measures study using a sample of n = 10 participants.Based on this t value,what is the correct decision for a two-tailed test?

• A)Reject the null hypothesis with α = .05 but not with α = .01
• B)Reject the null hypothesis with either α = .05 or α = .01
• C)Fail to reject the null hypothesis with either α = .05 or α = .01
• D)Cannot make a decision without additional information

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Definitions:

Retrospective Studies

Research studies that analyze past data to assess outcomes and factors affecting them.

Evidence

Information or facts that help to establish the truth or validity of a belief, proposition, or phenomenon.

Longitudinal Design

A research design that involves repeated observations of the same variables or groups over a period of time, allowing for the study of changes and development.

Prospective Design

A research design that follows participants forward over a period of time to observe future outcomes.