Results 241 to 250 of about 11,717,609 (299)

Longitudinal Healing and Amputation Trajectories in Diabetic Foot Ulcers: Predictive Power of Wound Area and Duration and Sample-Size Implications From the Diabetic Foot Consortium. [PDF]

Wound Repair Regen
Xu C, Schmidt BM, Krambrink A, Park J, Song PXK, Jones TLZ, Holmes CM, Chen K, Ye W, Kolenic G, Roy S, Sen CK, Pop-Busui R, Spino C, Gaynanova I.   +14 more
europepmc   +1 more source

Accuracy in parameter estimation and simulation approaches for sample-size planning accounting for item effects. [PDF]

Behav Res Methods
Buchanan EM, Elsherif MM, Geller J, Aberson CL, Gurkan N, Ambrosini E, Heyman T, Montefinese M, Vanpaemel W, Barzykowski K, Batres C, Fellnhofer K, Huang G, McFall J, Ribeiro G, Röer JP, Ulloa JL, Roettger TB, Valentine KD, Visalli A, Schmidt K, Vasilev MR, Viviani G, Miranda JF, Lewis SC.   +24 more
europepmc   +1 more source

Sample size estimations for MRI-monitored trials of MS comparing new vs standard treatments

, 2001
ROVARIS M, FILIPPI M. SAMPLE SIZE ESTIMATIONS FOR MRI MONITORED TRIALS OF MS COMPARING NEW VS STANDARD T.R.E.A.T.M.E.N.T.S. N.E.U.R.O.L.O.G.Y. NOV, SORMANI, MARIA PIA, BRUZZI P, POZZILLI C, BAGNATO F, MILLER DH, COMI G, MOLYNEUX P, .   +9 more
core   +1 more source

A systematic review of sample size determination in Bayesian randomized clinical trials: full Bayesian methods are rarely used. [PDF]

BMC Med Res Methodol
Marks Y, Cunningham J, Jiang A, Li L, Lin YS, McGrory A, Ouyang Y, Tran NA, Wang Y, Heath A.   +9 more
europepmc   +1 more source

Estimation of the sample size to determine gas flux in finishing steers under confined conditions using alternative statistical approaches. [PDF]

Transl Anim Sci
Vargas JJ, Campos LM, Maureira F, Swenson M, Schilling-Hazlett AK, Werner M, Sitorski LG, Paula EM, Carvalho PHV, Stackhouse-Lawson KR, Place SE.   +10 more
europepmc   +1 more source

Predicting VNN resistance in European sea bass using machine learning on high dimensional low sample size data. [PDF]

Front Bioinform
Faldani G, Rossignolo E, Signor E, Longo A, Faggion S, Bargelloni L, Comin M, Pizzi C.   +7 more
europepmc   +1 more source

At what sample size do correlations stabilize? [PDF]

Journal of Research in Personality, 2013
Sample correlations converge to the population value with increasing sample size, but the estimates are often inaccurate in small samples. In this report we use Monte-Carlo simulations to determine the critical sample size from which on the magnitude of ...
Marco Perugini, Felix Schönbrodt
exaly   +2 more sources

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Nick Martin and the Genetics of Depression: Sample Size, Sample Size, Sample Size

Twin Research and Human Genetics, 2020
AbstractNick Martin is a pioneer in recognizing the need for large sample size to study the complex, heterogeneous and polygenic disorders of common mental disorders. In the predigital era, questionnaires were mailed to thousands of twin pairs around Australia. Always quick to adopt new technology, Nick’s studies progressed to phone interviews and then
Byrne, Enda M., Henders, Anjali K., Hickie, Ian B., Middeldorp, Christel M., Wray, Naomi R., Wray, Naomi R.   +5 more
openaire   +6 more sources

Sample Size

Archives of Pediatrics & Adolescent Medicine, 1988
Before undertaking a research comparison, investigators may wish to estimate the sample sizes needed to assure that the research is feasible and is worth the effort and expense. Such calculations require several decisions by the researchers: (1) the acceptable level of the type I error (P value), (2) the desired power of the test, (3) the difference ...
openaire   +2 more sources