Investopedia

Simple Random Sample vs. Stratified Random Sample: What’s the Difference?

Mary Hall is a editor for Investopedia's Advisor Insights, in addition to being the editor of several books and doctoral papers. Mary received her bachelor's in English from Kent State University with ...
Investopedia

How Stratified Random Sampling Works, With Examples

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...
JSTOR Daily

Substance use, trait measures, and subjective response to nicotine in never-smokers stratified on parental smoking history and sex

Introduction: Male and female never-smokers stratified on parental history of smoking were tested for possible differences in susceptibility to the hedonic effects of nicotine. Methods: We recruited ...
ascopubs.org

Outcomes using enfortumab vedotin for metastatic urothelial carcinoma stratified by prior response to immunotherapy: A single institution experience.

Diagnostic performance of a novel radiomic model for predicting post-treatment prostate cancer recurrence: A comparison to CAPRA and MSKCC nomograms. OS and PFS using EV stratified by prior IO ...