Imagine you're a researcher studying how sleep affects mood. To explore the connection, you would look at two key "variables": sleep (how much someone gets) and mood (how happy or irritable they feel) ...

This is a preview. Log in through your library . Abstract Suggests concerns about measurement in reading research; these are addressed to researchers and consumers of research. The problems are ...

Time-dependent variables can be used to model the effects of subjects transferring from one treatment group to another. One example of the need for such strategies is the Stanford heart transplant ...

Immunomagnetic Enrichment and Detection of Micrometastases in Colorectal Cancer: Correlation With Established Clinical Parameters PURPOSE: To define prognostic factors for postrelapse survival and ...

Several models for limited dependent variables (variables having a non-negligible probability of exactly equaling zero) are examined. Estimation in and discrimination among the various models are ...

Immunomagnetic Enrichment and Detection of Micrometastases in Colorectal Cancer: Correlation With Established Clinical Parameters PURPOSE: To define prognostic factors for postrelapse survival and ...