The item responses should be entered as 1, 2, 3, etc according to the presentation order in the questionnaire. Each has 4-7 response levels. *Missing Values: Note that missing data are represented by ...

This file analyses AQoL-6D Adolescent instrument data and produces a utility score for the instrument overall and a score for each dimension. Missing values: Note that missing values are represented ...

As an independent nonprofit, the Internet Archive is fighting for universal access to quality information. We build and maintain all our own systems, but we don’t charge for access, sell user ...

SAN FRANCISCO (Reuters) -IBM announced on Wednesday it has built a new experimental quantum computing chip called Loon that demonstrates it hit a key milestone toward making useful quantum computers ...