Jama statistical methods

  • What statistical methods are used in clinical trials?

    Common hypothesis tests include t-tests, chi-square tests, ANOVA, and regression analysis. \xd8 Descriptive Statistics: Summarizes and describes the main features of a dataset.
    This includes measures of central tendency (e.g., mean, median, mode) and measures of variability (e.g., standard deviation, range, variance)..

This JAMA Guide to Statistics and Methods explains sequential, multiple assignment, randomized trial (SMART) study designs, in which some or all participants 

Can research articles be assessed if statistical analysis is not understood?

Research articles cannot be assessed if the statistical analysis and research methodology used are not understood by the readers.
Along with the Users’ Guides to the Medical Literature, the new JAMA Guide to Statistics and Methods will help readers better understand clinical research reports that in turn will help them provide better patient care.

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What is a Jama Guide to statistics and methods?

The JAMA Guide to Statistics and Methods complements the Users’ Guides by providing a more granular and specific discussion about statistics and research methodology used in an individual article.
The first JAMA Guide to Statistics and Methods article discusses intention-to-treat (ITT) analysis as it relates to a research article in this issue.

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Why is a JAMA article selected for publication?

Livingston EH.
Introducing the JAMA Guide to Statistics and Methods. 2014;312 (1):35. doi:10.1001/jama.2014.7991 Original research articles in JAMA are selected for publication because the results are valid and findings provide important new clinical, research, or policy-related insights.


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