A Researcher Is Conducting a One-Sample T Test to Determine

question 31

Multiple Choice

A researcher is conducting a one-sample t test to determine if a particular treatment intervention will lower scores on a dependent variable. α = .01 and n = 43. What is t_crit?

• A) -2.423
• B) ±2.423
• C) +2.423
• D) -2.704

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Definitions:

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A financial metric used to evaluate the efficiency or profitability of an investment, calculated by dividing the benefit (return) of an investment by its cost.

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The cost of missing out on the next best alternative when making a decision; a crucial concept in economics and decision-making.