A method of statistical analysis that pools summary data (ex. means, RRs) from multiple studies for a more precise estimate of the size of an effect is known as _____
#2
Increased precision is associated with _____ statistical power (1 - )
#3
The power of a study is increased with _____ precision of measurement
#4
The power of a study is increased with _____ expected effect size
#5
What is the t-test used for? (biostatistics)
#6
"β" with reference to statistical error
#7
power (epidemiology)
#8
What is the relationship between standard error of the mean and standard deviation?
#9
In a normal distribution, how many data points fall within three standard deviations from the mean?
#10
In a normal distribution, how many data points fall within two standard deviations from the mean?
Post-hoc power analysis limitations US Medical PG Flashcards - Medical Study Cards
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Post-hoc power analysis limitations Flashcard Deck - 10 Cards
Flashcard 1: A method of statistical analysis that pools summary data (ex. means, RRs) from multiple studies for a more precise estimate of the size of an effect is known as _____
Answer: meta-analysis
Flashcard 2: Increased precision is associated with _____ statistical power (1 - )
Answer: increased
Flashcard 3: The power of a study is increased with _____ precision of measurement
Answer: increased
Flashcard 4: The power of a study is increased with _____ expected effect size
Answer: increased
Flashcard 5: What is the t-test used for? (biostatistics)
Answer: Compare means of two groups.
mnemonic: Mr. T is mean.
Flashcard 6: "β" with reference to statistical error
Answer: the probability of making a Type II statistical (false negative) error
Flashcard 7: power (epidemiology)
Answer: probability of detecting a differential effect if it is actually present
Extra: power = (1-β)
Flashcard 8: What is the relationship between standard error of the mean and standard deviation?
Answer:
Flashcard 9: In a normal distribution, how many data points fall within three standard deviations from the mean?
Answer: 99.7%
Flashcard 10: In a normal distribution, how many data points fall within two standard deviations from the mean?
Answer: 95%
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