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. research data management Research data management, including design of case report forms, software systems, training of personnel, and quality control meta-analysis Meta-analysis conduct and statistical methods 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	3779	April 17, 2020
Double Counting in Meta-Analysis meta-analysis	3	156	April 10, 2024
Sample size calculation for metabolomic profiles in a nested case-control study design sample-size	0	132	April 8, 2024
Immortal-time-bias vs. selection bias study interpretation design	2	183	April 7, 2024
Run-in phase in RCTs research methods rct	14	9645	April 1, 2024
Progression in cancer trials design survival-analysis , endpoint , multiple-endpoints	25	3326	March 22, 2024
Calculate incidence rate after adjustment research methods	10	1293	March 19, 2024
Is Lithium Equivalent to Lecanemab in Slowing cognitive decline in Alzheimer's Disease? research methods survival-analysis , interpretation , rct	0	347	February 23, 2024
Problems with NNT study interpretation nnt , effect-measures , decision-making	36	32965	February 19, 2024
Review of Trial at the Center of the Firestorm Over Early Connection of Patients to Ventilators during the Pandemic measurement design , interpretation , rct	34	2853	February 16, 2024
RCT: protocol deviation and implications for analysis research methods rct	6	340	February 16, 2024
Handling missing continuous data due to death measurement time-to-event , longitudinal , multiple-endpoints	7	365	February 8, 2024
Sample Size calculation - "subgroup hypothesis", Guidance needed design design , sample-size	2	371	February 4, 2024
ITT analysis population - RCT design rct	6	783	February 3, 2024
Practicalities of using Markov Longitudinal Ordinal Models in Cardiovascular Outcome Trials measurement ordinal , longitudinal	5	479	January 25, 2024
Mixed vs Random Effects ICC measurement	13	16197	January 23, 2024
Random vs. fixed effects meta-analysis meta-analysis random-effects	22	1954	January 20, 2024
Calculate event/total of an outcome that is reported as Hazard Ratio (95% CI, p-value) meta-analysis	1	209	January 10, 2024
Language for communicating frequentist results about treatment effects study interpretation confidence-interval , rct , p-value , journal , writing	200	108849	January 9, 2024
Substituting treatment arm with drug exposure (continuous variable) in RCT research methods rct	10	472	January 8, 2024
Accuracy of ChatGPT on Statistical Methods research methods ai	19	12283	December 25, 2023
Sample size consideration for establishing a reference interval measurement sample-size	10	7777	December 8, 2023
Combining HR from same study sub-groups for meta-analysis meta-analysis meta-analysis , survival-analysis	0	294	November 28, 2023
Preclinical experiments analysis design longitudinal	5	354	November 21, 2023
Balancing potential bias with identifying enough events in observational data design	3	468	November 6, 2023
Evidence Factors research methods	1	359	November 1, 2023
Summary Statistics vs Raw Data measurement time-to-event , ordinal , rct , multiple-endpoints , critical-care	9	9036	October 23, 2023
Adjusting for UD in samples that are below LOD measurement detection-limit	7	574	October 19, 2023
Regression to the mean and parallel RCTs research methods	13	1337	September 3, 2023
Design of Experiments in Economics vs Medicine: a Decision Theory POV design decision-making , design , bayes , interpretation	6	1538	July 27, 2023