MCQs
6530 questions found
C.
Interquartile range (IQR).
✓
A.
The original study had too much power.
✓
B.
The original study might have had a Type I error, or the replication study a Type II error, or differences in methodology.
✓
C.
The original study was perfect.
✓
D.
Replication studies are never necessary.
✓
B.
Logistic regression.
✓
A.
Law of Large Numbers.
✓
C.
Central Limit Theorem.
✓
D.
Chebyshev's Theorem.
✓
A.
Independent samples t-test.
✓
A.
To immediately declare the drug unsafe.
✓
B.
To rapidly analyze the data for patterns and statistical significance, to inform immediate public health action.
✓
C.
To wait for more data to accumulate.
✓
D.
To disregard the reports as anecdotal.
✓
B.
Logistic regression.
✓
D.
Survival regression.
✓
A.
Independent samples t-test.
✓
C.
Chi-square test of independence.
✓
B.
Correlation coefficient.
✓
D.
Chi-square statistic.
✓
A.
The drug is highly effective.
✓
B.
The finding is statistically significant, but the effect estimate is imprecise and less reliable, warranting caution.
✓
C.
The study had high precision.
✓
D.
The study is invalid.
✓
A.
Independent samples t-test.
✓
D.
Interquartile range.
✓
A.
Logistic regression.
✓
D.
Survival regression.
✓
