Question: a research hypothesis does not specify the direction of the difference between two groups (e.g., Group A will score differently than Group B), should a

a research hypothesis does not specify the direction of the difference between two groups (e.g., "Group A will score differently than Group B"), should a one-tailed or a two-tailed test be used? Explain your reasoning. Then, provide a brief, original example of a research scenario where a one-tailed independent-samples t-test could be justified, and explain what prior evidence or theory would support that directional prediction

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