Your English writing platform
Free sign upSuggestions(1)
Exact(60)
Power calculations based on the primary endpoint A 30% reduction in ACR is considered a worthwhile and plausible effect size to detect in this population and detection of a 25% reduction would be an advantage.
Hence, ~1,200 students would be a sufficient sample size to detect a moderate-sized effect with 0.80 of power for the mediating variables.
Which means that you most likely need detectors of a similar size to detect them.
The ANTARES telescope is a device of 0.1km2 size to detect high energy neutrinos.
Thyroid ultrasound can be used to determine thyroid size, to detect anatomic variations in the thyroid, to identify extrathyroidal masses, and to screen for endemic goiter.
This allows for determining the required sample size to detect a model violation which is considered relevant from a substantive point of view with fixed risks for the type-I and the type-II errors.
We adapted sampling theory using Monte Carlo methods to determine target population sample size to detect disease with 95% confidence, using information from the epidemiologic parameters risk ratio and fraction of the population with the characteristic.
The study was limited by a lack of sufficient sample size to detect the association between rare clinical conditions and CD4 counts below 250cells/mm3 and 350cells/mm3.
A similar situation occurred in the first study of yawn contagion in chimpanzees [18], which had too small of a sample size to detect contagious yawning at the population level (the significant effects were at the individual level).
Accordingly the required sample size to detect a minimal difference in proportion of patients with hepatotoxicity between the HIV positives and HIV negatives TB patients was 67 per group.
It also remains possible that we do not have sufficient statistical power with the current sample size to detect statistical significance, although this is unlikely for the observed lack of association of INSIG2 in the Caucasian subset.
Write better and faster with AI suggestions while staying true to your unique style.
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.
Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com