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.
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