Hillis’ provocative title is a reference to the way that certain simplifying assumptions that underpin the formal models on ...

We explore the use of instrumental variables (IV) analysis with a multisite randomized trial to estimate the effect of a mediating variable on an outcome in cases where it can be assumed that the ...

"Likewise, if the prior art does recognize that the variable affects the relevant property or result, then the variable is result-effective." (904 F.3d 996, 1009 (Fed. Cir. 2018)) ...

Observational studies are often in peril of unmeasured confounding. Instrumental variable analysis is a method for controlling for unmeasured confounding. As yet, theory on instrumental variable ...

Market Demographic Analysis. Demographic variables such as age, gender, income and occupation hold important clues to consumer behavior. People who share the same demographic profile usually have ...

Excessive daytime sleepiness, nonrestorative sleep and sleep behaviors all play a significant role in sleep health, according to results of a network analysis of sleep variables published in Sleep ...