research methods

design study and experimental design, randomized or not measurement Definitions and refinements of measurements, information content in binary, multinomial, ordinal, and continuous measurements, scale derivation and meaning, composite scales, errors, and reliability. meta-analysis Meta-analysis conduct and statistical methods research data management Research data management, including design of case report forms, software systems, training of personnel, and quality control survey Sample survey design, execution, and interpretation study interpretation Interpretation of particular study results

Topic	Replies	Views	Activity
About the research methods category research methods research-method	1	4298	April 17, 2020
Dichotomization measurement categorization , responder , rct	72	3618	November 4, 2025
What is a fake measurement tool and how are they used in RCT measurement rct	54	20647	November 4, 2025
Statistical Analysis Plans design sap	2	189	November 2, 2025
Decades of underpowered RCT research methods rct	23	501	October 16, 2025
Using SD deviation to create risk scores measurement prediction	1	87	September 28, 2025
The demise of the funnel plot in meta-analysis meta-analysis graphics	9	279	September 24, 2025
Should cSM be part of CONSORT design dag , rct	1	82	September 12, 2025
Sample Size Calculation for a 2x2 Factorial RCT design ancova , sample-size , rct , design , sap	6	202	September 3, 2025
Problems with NNT study interpretation nnt , effect-measures , decision-making	37	39714	August 10, 2025
How to assess reliability/validity of a measurement based on differences in measurements? measurement observer-variability	6	148	August 7, 2025
Question about Meta MA and NMA meta-analysis	0	58	June 16, 2025
Question on the Use of Composite Outcomes vs. All-Cause Mortality in Drug Trials measurement endpoint , multiple-endpoints	9	170	May 21, 2025
Obtaining a continuous estimate from ordinal data research methods bayes , meta-analysis , ordinal	14	423	May 20, 2025
Challenges in determining meaningful between group differences of surgery vs non-surgical treatment research methods mcid , survey , protocol , change , design	12	736	May 9, 2025
Why the Non-Reproducibility of Acute Care RCT? The CAP studies measurement interpretation , rct , design	6	174	May 8, 2025
Sample size and duration of follow-up of randomized controlled clinical trials design	11	327	April 28, 2025
Alpha spending/information fraction when controlling for baseline covariate design design , sequential , rct	2	599	January 29, 2025
How to handle data requiring truncation to be valid measurement statistical-model , censoring	2	552	January 25, 2025
Responder Analysis: Loser x 4 measurement categorization	22	37190	January 9, 2025
Categorizing Continuous Variables measurement categorization	29	68988	December 24, 2024
Summary table of different Cox PHM models to compare them research methods survival-analysis , rms , interpretation	7	1030	December 23, 2024
Non Inferiority vs Non significant study interpretation prediction , design , bayes , interpretation , rct	17	1620	December 19, 2024
Screening for risk of sudden cardiac death in athletes design prediction , design	7	729	December 14, 2024
Validation of a Simulation-Based Methodology for Power and Sample Size Calculation Using the Wilcoxon Test design sample-size	2	730	December 4, 2024
Determining the accuracy of wearable monitoring devices measurement accuracy	5	916	November 13, 2024
Is it a good idea to use two estimators for multilevel meta-regression? meta-analysis	0	421	October 19, 2024
Learning how to conduct and design meaningful clinical trials design education	8	1475	September 3, 2024
Non-collapsibility of standardized rate measurement effect-measures	14	1283	August 31, 2024
Where are the exceptional responders? research methods	2	874	July 31, 2024