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Issues in Significance Tests MCQ

Issues in Significance Tests MCQ

 

1. Exploratory Studies include ________ of variables and may evaluate large numbers of hypotheses .

Answer

Correct Answer: Large numbers

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2. Confirmatory Study includes a small number of a priori and a _______ small number of statistical significance tests.

Answer

Correct Answer: Both a & b

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3. A study that includes a small number of a priori hypotheses and variables and a small number of statistical significance tests is known as _______.

Answer

Correct Answer: Confirmatory Study

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4. A study is underpowered if the sample size is too small to have a reasonable chance of rejecting H0 when H0 is false is known as ______ .

Answer

Correct Answer: Underpowered.

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5. A decision not to reject H0 when H0 is incorrect is known as ______ .

Answer

Correct Answer: Type II Error

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6. A decision to reject H0 when H0 is correct ,this statement is related to _______ .

Answer

Correct Answer: Type I Error

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7. Post Hoc Power Analysis can use an effect size from a completed study to evaluate statistical power for a _______ , of course.

Answer

Correct Answer: Future planned study

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8. Clinical or Practical Significance is a difference between M and μhyp, or between two or more sample means, that is ________ .

Answer

Correct Answer: Large enough

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9. Statistical significance is _______ by looking at a p value associated with a test statistic .

Answer

Correct Answer: Evaluated

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10. Cohen’s d is a unit-free effect size that is not related to N, sample size.

Answer

Correct Answer: True

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