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Direct linkBenedetti, Andrea; Levis, Brooke; Rücker, Gerta; Jones, Hayley E.; Schumacher, Martin; Ioannidis, John P. A.; Thombs, Brett – Research Synthesis Methods, 2020
Selective cutoff reporting in primary diagnostic accuracy studies with continuous or ordinal data may result in biased estimates when meta-analyzing studies. Collecting individual participant data (IPD) and estimating accuracy across all relevant cutoffs for all studies can overcome such bias but is labour intensive. We meta-analyzed the…
Descriptors: Cutting Scores, Diagnostic Tests, Screening Tests, Meta Analysis
Brannick, Michael T.; Zhang, Nanhua – Research Synthesis Methods, 2013
The current paper describes and illustrates a Bayesian approach to the meta-analysis of coefficient alpha. Alpha is the most commonly used estimate of the reliability or consistency (freedom from measurement error) for educational and psychological measures. The conventional approach to meta-analysis uses inverse variance weights to combine…
Descriptors: Bayesian Statistics, Meta Analysis, Sampling, Reliability
